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- 20:26, 6 March 2009 (diff | hist) . . (+2,102) . . 2009 AMC 10B Problems/Problem 13
- 18:16, 3 March 2009 (diff | hist) . . (+13) . . m 2009 AMC 10B Problems (→Problem 18)
- 17:30, 3 March 2009 (diff | hist) . . (+781) . . N 2009 AMC 10B Problems/Problem 11 (New page: == Problem == How many <math>7</math>-digit palindromes (numbers that read the same backward as forward) can be formed using the digits <math>2</math>, <math>2</math>, <math>3</math>, <ma...)
- 17:23, 3 March 2009 (diff | hist) . . (+868) . . N 2009 AMC 10B Problems/Problem 10 (New page: == Problem == A flagpole is originally <math>5</math> meters tall. A hurricane snaps the flagpole at a point <math>x</math> meters above the ground so that the upper part, still attached ...)
- 17:06, 3 March 2009 (diff | hist) . . (+1,413) . . N 2009 AMC 10B Problems/Problem 9 (New page: == Problem == Segment <math>BD</math> and <math>AE</math> intersect at <math>C</math>, as shown, <math>AB=BC=CD=CE</math>, and <math>\angle A = \frac 52 \angle B</math>. What is the degre...)
- 14:39, 3 March 2009 (diff | hist) . . (+734) . . N 2009 AMC 10B Problems/Problem 2 (New page: == Problem == Which of the following is equal to <math>\dfrac{\frac{1}{3}-\frac{1}{4}}{\frac{1}{2}-\frac{1}{3}}</math>? <math> \text{(A) } \frac 14 \qquad \text{(B) } \frac 13 \qquad \te...)
- 09:11, 3 March 2009 (diff | hist) . . (+14,588) . . N 2009 AMC 10B Problems (New page: == Problem 1 == Each morning of her five-day workweek, Jane bought either a 50-cent muffin or a 75-cent bagel. Her total cost for the week was a whole number of dollars, How many bagels...)
- 22:05, 2 March 2009 (diff | hist) . . (+2,953) . . N 2009 AMC 12B Problems/Problem 24 (New page: == Problem == For how many values of <math>x</math> in <math>[0,\pi]</math> is <math>\sin^{ - 1}(\sin 6x) = \cos^{ - 1}(\cos x)</math>? Note: The functions <math>\sin^{ - 1} = \arcsin</mat...)
- 20:51, 2 March 2009 (diff | hist) . . (+496) . . 2009 AMC 12B Problems/Problem 19
- 20:40, 2 March 2009 (diff | hist) . . (+972) . . 2009 AMC 10B Problems/Problem 15
- 17:03, 2 March 2009 (diff | hist) . . (+599) . . 2009 AMC 12B Problems/Problem 9 (→Solution 2)
- 10:27, 2 March 2009 (diff | hist) . . (+5,785) . . N 2009 AMC 12B Problems/Problem 25 (New page: == Problem == The set <math>G</math> is defined by the points <math>(x,y)</math> with integer coordinates, <math>3\le|x|\le7</math>, <math>3\le|y|\le7</math>. How many squares of side at l...)
- 19:24, 1 March 2009 (diff | hist) . . (-25) . . m 2009 AMC 12B Problems/Problem 19
- 19:23, 1 March 2009 (diff | hist) . . (+3,004) . . N 2009 AMC 12B Problems/Problem 19 (New page: == Problem == For each positive integer <math>n</math>, let <math>f(n) = n^4 - 360n^2 + 400</math>. What is the sum of all values of <math>f(n)</math> that are prime numbers? <math>\textb...)
- 18:28, 1 March 2009 (diff | hist) . . (+1,629) . . N 2009 AMC 12B Problems/Problem 15 (New page: == Problem == Assume <math>0 < r < 3</math>. Below are five equations for <math>x</math>. Which equation has the largest solution <math>x</math>? <math>\textbf{(A)}\ 3(1 + r)^x = 7\qqua...)
- 18:09, 1 March 2009 (diff | hist) . . (+1,528) . . N 2009 AMC 12B Problems/Problem 14 (New page: == Problem == Five unit squares are arranged in the coordinate plane as shown, with the lower left corner at the origin. The slanted line, extending from <math>(a,0)</math> to <math>(3,3)<...)
- 15:00, 1 March 2009 (diff | hist) . . (+2,227) . . 2007 AMC 10A Problems/Problem 18
- 15:38, 27 February 2009 (diff | hist) . . (+2,900) . . N 2009 AMC 12B Problems/Problem 23 (New page: == Problem == A region <math>S</math> in the complex plane is defined by <cmath> S = \{x + iy: - 1\le x\le1, - 1\le y\le1\}. </cmath> A complex number <math>z = x + iy</math> is chosen uni...)
- 10:10, 27 February 2009 (diff | hist) . . (+2,577) . . N 2009 AMC 12B Problems/Problem 22 (New page: == Problem == Parallelogram <math>ABCD</math> has area <math>1,\!000,\!000</math>. Vertex <math>A</math> is at <math>(0,0)</math> and all other vertices are in the first quadrant. Vertices...)
- 09:43, 27 February 2009 (diff | hist) . . (0) . . m 2009 AMC 12B Problems/Problem 21
- 09:42, 27 February 2009 (diff | hist) . . (+1,713) . . N 2009 AMC 12B Problems/Problem 21 (New page: == Problem == Ten women sit in <math>10</math> seats in a line. All of the <math>10</math> get up and then reseat themselves using all <math>10</math> seats, each sitting in the seat she w...)
- 12:57, 25 February 2009 (diff | hist) . . (+213) . . 2009 AMC 10A Problems/Problem 21 (fixed a bug in the solution)
- 11:12, 20 February 2009 (diff | hist) . . (+3,560) . . N 2002 AMC 12A Problems/Problem 18 (New page: == Problem == Let <math>C_1</math> and <math>C_2</math> be circles defined by <math>(x-10)^2 + y^2 = 36</math> and <math>(x+15)^2 + y^2 = 81</math> respectively. What is the length of the ...)
- 08:30, 20 February 2009 (diff | hist) . . (+1,676) . . N 2002 AMC 12A Problems/Problem 21 (New page: == Problem == Consider the sequence of numbers: <math>4,7,1,8,9,7,6,\dots</math> For <math>n>2</math>, the <math>n</math>-th term of the sequence is the units digit of the sum of the two ...)
- 08:16, 20 February 2009 (diff | hist) . . (+2,085) . . N 2002 AMC 12A Problems/Problem 19 (New page: == Problem == The graph of the function <math>f</math> is shown below. How many solutions does the equation <math>f(f(x))=6</math> have? <asy> size(300,300); defaultpen(fontsize(10pt)+l...)
- 08:05, 20 February 2009 (diff | hist) . . (+1,226) . . N 2002 AMC 12A Problems/Problem 20 (New page: == Problem == Suppose that <math>a</math> and <math>b</math> are digits, not both nine and not both zero, and the repeating decimal <math>0.\overline{ab}</math> is expressed as a fraction...)
- 18:51, 18 February 2009 (diff | hist) . . (+782) . . N 2002 AMC 12A Problems/Problem 17 (New page: == Problem == Several sets of prime numbers, such as <math>\{7,83,421,659\}</math> use each of the nine nonzero digits exactly once. What is the smallest possible sum such a set of primes...)
- 18:46, 18 February 2009 (diff | hist) . . (+1,131) . . N 2002 AMC 12A Problems/Problem 24 (New page: == Problem == Find the number of ordered pairs of real numbers <math>(a,b)</math> such that <math>(a+bi)^{2002} = a-bi</math>. <math> \text{(A) }1001 \qquad \text{(B) }1002 \qquad \text{...)
- 18:41, 18 February 2009 (diff | hist) . . (+1,853) . . 2002 AMC 12A Problems
- 18:33, 18 February 2009 (diff | hist) . . (+1,846) . . N 2002 AMC 12A Problems/Problem 16 (New page: {{duplicate|2002 AMC 12A #16 and 2002 AMC 10A #24}} ==Problem== Tina randomly selects two distinct numbers from the set {1, 2, 3, 4, 5...)
- 18:32, 18 February 2009 (diff | hist) . . (-1,616) . . 2002 AMC 10A Problems/Problem 24 (Redirecting to 2002 AMC 12A Problems/Problem 16) (current)
- 18:32, 18 February 2009 (diff | hist) . . (+268) . . 2002 AMC 12A Problems (→Problem 16)
- 18:30, 18 February 2009 (diff | hist) . . (+622) . . N 2002 AMC 12A Problems/Problem 14 (New page: == Problem == For all positive integers <math>n</math>, let <math>f(n)=\log_{2002} n^2</math>. Let <math>N=f(11)+f(13)+f(14)</math>. Which of the following relations is true? <math> \tex...)
- 18:28, 18 February 2009 (diff | hist) . . (+1,049) . . N 2002 AMC 12A Problems/Problem 13 (New page: == Problem == Two different positive numbers <math>a</math> and <math>b</math> each differ from their reciprocals by <math>1</math>. What is <math>a+b</math>? <math> \text{(A) }1 \qquad ...)
- 18:15, 18 February 2009 (diff | hist) . . (+2,026) . . N 2002 AMC 12A Problems/Problem 15 (New page: {{duplicate|2002 AMC 12A #15 and 2002 AMC 10A #21}} == Problem == The mean, median, unique mode, and range of a collection of eight in...)
- 18:15, 18 February 2009 (diff | hist) . . (-1,823) . . 2002 AMC 10A Problems/Problem 21 (Redirecting to 2002 AMC 12A Problems/Problem 15) (current)
- 18:13, 18 February 2009 (diff | hist) . . (+514) . . 2002 AMC 12A Problems
- 16:09, 18 February 2009 (diff | hist) . . (-925) . . 2002 AMC 10A Problems/Problem 14 (Redirecting to 2002 AMC 12A Problems/Problem 12) (current)
- 16:09, 18 February 2009 (diff | hist) . . (+1,283) . . N 2002 AMC 12A Problems/Problem 12 (New page: {{duplicate|2002 AMC 12A #12 and 2002 AMC 10A #14}} == Problem == Both roots of the quadratic equation <math>x^2 - 63x + k = 0</math>...)
- 16:06, 18 February 2009 (diff | hist) . . (+2,416) . . N 2002 AMC 12A Problems/Problem 11 (New page: {{duplicate|2002 AMC 12A #11 and 2002 AMC 10A #12}} == Problem == Mr. Earl E. Bird gets up every day at 8:00 AM to go to work. If he d...)
- 15:55, 18 February 2009 (diff | hist) . . (-1,363) . . 2002 AMC 10A Problems/Problem 12 (Redirecting to 2002 AMC 12A Problems/Problem 11) (current)
- 15:52, 18 February 2009 (diff | hist) . . (+1,343) . . N 2002 AMC 12A Problems/Problem 9 (included proof of optimality)
- 15:37, 18 February 2009 (diff | hist) . . (-860) . . 2002 AMC 10A Problems/Problem 11 (Redirecting to 2002 AMC 12A Problems/Problem 9) (current)
- 15:35, 18 February 2009 (diff | hist) . . (-1,188) . . 2002 AMC 10A Problems/Problem 8 (Redirecting to 2002 AMC 12A Problems/Problem 8) (current)
- 15:35, 18 February 2009 (diff | hist) . . (+1,382) . . N 2002 AMC 12A Problems/Problem 8 (New page: {{duplicate|2002 AMC 12A #8 and 2002 AMC 10A #8}} ==Problem== Betsy designed a flag using blue triangles, small white squares, and a r...)
- 15:34, 18 February 2009 (diff | hist) . . (-1,165) . . 2002 AMC 10A Problems/Problem 7 (Redirecting to 2002 AMC 12A Problems/Problem 7) (current)
- 15:34, 18 February 2009 (diff | hist) . . (+1,359) . . N 2002 AMC 12A Problems/Problem 7 (New page: {{duplicate|2002 AMC 12A #7 and 2002 AMC 10A #7}} ==Problem== A <math>45^\circ</math> arc of circle A is equal in length to a <math>3...)
- 15:33, 18 February 2009 (diff | hist) . . (0) . . m 2002 AMC 12A Problems/Problem 10
- 15:32, 18 February 2009 (diff | hist) . . (0) . . m 2002 AMC 12A Problems/Problem 6
- 15:32, 18 February 2009 (diff | hist) . . (0) . . m 2002 AMC 12A Problems/Problem 3
- 15:32, 18 February 2009 (diff | hist) . . (0) . . m 2002 AMC 12A Problems/Problem 2
- 15:32, 18 February 2009 (diff | hist) . . (0) . . m 2002 AMC 12A Problems/Problem 1
- 15:30, 18 February 2009 (diff | hist) . . (-1,079) . . 2002 AMC 10A Problems/Problem 5 (Redirecting to 2002 AMC 12A Problems/Problem 5) (current)
- 15:30, 18 February 2009 (diff | hist) . . (+1,273) . . N 2002 AMC 12A Problems/Problem 5 (New page: {{duplicate|2002 AMC 12A #5 and 2002 AMC 10A #5}} ==Problem== Each of the small circles in the figure has radius one. The innermost ci...)
- 15:29, 18 February 2009 (diff | hist) . . (+4,291) . . 2002 AMC 12A Problems
- 15:28, 18 February 2009 (diff | hist) . . (+31) . . m 2002 AMC 10A Problems (→Problem 14)
- 15:26, 18 February 2009 (diff | hist) . . (+8) . . m 2002 AMC 10A Problems (→Problem 12)
- 08:04, 18 February 2009 (diff | hist) . . (+654) . . 2002 AMC 12A Problems/Problem 10
- 07:59, 18 February 2009 (diff | hist) . . (-941) . . 2002 AMC 10A Problems/Problem 17 (Redirecting to 2002 AMC 12A Problems/Problem 10) (current)
- 07:57, 18 February 2009 (diff | hist) . . (+7) . . m 2002 AMC 10A Problems (→Problem 4)
- 07:56, 18 February 2009 (diff | hist) . . (+281) . . 2002 AMC 12A Problems/Problem 6
- 07:56, 18 February 2009 (diff | hist) . . (-473) . . 2002 AMC 10A Problems/Problem 4 (Redirecting to 2002 AMC 12A Problems/Problem 6) (current)
- 07:48, 18 February 2009 (diff | hist) . . (-814) . . 2002 AMC 10A Problems/Problem 10 (Redirecting to 2002 AMC 12A Problems/Problem 1) (current)
- 07:48, 18 February 2009 (diff | hist) . . (+452) . . 2002 AMC 12A Problems/Problem 1
- 07:46, 18 February 2009 (diff | hist) . . (-620) . . 2002 AMC 10A Problems/Problem 6 (Redirecting to 2002 AMC 12A Problems/Problem 2) (current)
- 07:45, 18 February 2009 (diff | hist) . . (+240) . . 2002 AMC 12A Problems/Problem 2
- 07:44, 18 February 2009 (diff | hist) . . (+919) . . 2002 AMC 12A Problems/Problem 3
- 07:43, 18 February 2009 (diff | hist) . . (-1,552) . . 2002 AMC 10A Problems/Problem 3 (Redirecting to 2002 AMC 12A Problems/Problem 3) (current)
- 23:10, 16 February 2009 (diff | hist) . . (+1,105) . . 1985 AIME Problems/Problem 10
- 16:23, 16 February 2009 (diff | hist) . . (+2,335) . . N 2001 AMC 12 Problems/Problem 24 (New page: == Problem == In <math>\triangle ABC</math>, <math>\angle ABC=45^\circ</math>. Point <math>D</math> is on <math>\overline{BC}</math> so that <math>2\cdot BD=CD</math> and <math>\angle DAB...)
- 15:17, 16 February 2009 (diff | hist) . . (+1,683) . . N 2001 AMC 12 Problems/Problem 17 (New page: == Problem == A point <math>P</math> is selected at random from the interior of the pentagon with vertices <math>A = (0,2)</math>, <math>B = (4,0)</math>, <math>C = (2 \pi + 1, 0)</math>,...)
- 15:00, 16 February 2009 (diff | hist) . . (+1,167) . . N 2001 AMC 12 Problems/Problem 20 (New page: == Problem == Points <math>A = (3,9)</math>, <math>B = (1,1)</math>, <math>C = (5,3)</math>, and <math>D=(a,b)</math> lie in the first quadrant and are the vertices of quadrilateral <math...)
- 14:29, 16 February 2009 (diff | hist) . . (+3,121) . . N 2001 AMC 12 Problems/Problem 22 (New page: == Problem == In rectangle <math>ABCD</math>, points <math>F</math> and <math>G</math> lie on <math>AB</math> so that <math>AF=FG=GB</math> and <math>E</math> is the midpoint of <math>\ov...)
- 13:05, 16 February 2009 (diff | hist) . . (+3,034) . . N 2001 AMC 12 Problems/Problem 18 (New page: == Problem == A circle centered at <math>A</math> with a radius of 1 and a circle centered at <math>B</math> with a radius of 4 are externally tangent. A third circle is tangent to the fi...)
- 12:41, 16 February 2009 (diff | hist) . . (+340) . . 2001 AMC 12 Problems (→Problem 18)
- 04:02, 16 February 2009 (diff | hist) . . (+1,277) . . N 2001 AMC 12 Problems/Problem 15 (New page: == Problem == An insect lives on the surface of a regular tetrahedron with edges of length 1. It wishes to travel on the surface of the tetrahedron from the midpoint of one edge to the mid...)
- 03:50, 16 February 2009 (diff | hist) . . (+1,010) . . N 2001 AMC 12 Problems/Problem 14 (New page: == Problem == Given the nine-sided regular polygon <math>A_1 A_2 A_3 A_4 A_5 A_6 A_7 A_8 A_9</math>, how many distinct equilateral triangles in the plane of the polygon have at least two ...)
- 20:11, 15 February 2009 (diff | hist) . . (+1,851) . . N 2001 AMC 12 Problems/Problem 12 (New page: == Problem == How many positive integers not exceeding <math>2001</math> are multiple of <math>3</math> or <math>4</math> but not <math>5</math>? <math> \text{(A) }768 \qquad \text{(B) }...)
- 19:58, 15 February 2009 (diff | hist) . . (+1,068) . . N 2001 AMC 12 Problems/Problem 11 (New page: == Problem == A box contains exactly five chips, three red and two white. Chips are randomly removed one at a time without replacement until all the red chips are drawn or all the white c...)
- 17:56, 15 February 2009 (diff | hist) . . (+2,033) . . N 2001 AMC 12 Problems/Problem 7 (New page: == Problem 7 == A charity sells <math>140</math> benefit tickets for a total of <dollar/><math>2001</math>. Some tickets sell for full price (a whole dollar amount), and the rest sells fo...)
- 15:22, 15 February 2009 (diff | hist) . . (+1,382) . . N 2001 AMC 12 Problems/Problem 16 (New page: == Problem == A spider has one sock and one shoe for each of its eight legs. In how many different orders can the spider put on its socks and shoes, assuming that, on each leg, the sock m...)
- 15:04, 15 February 2009 (diff | hist) . . (+692) . . 2009 AMC 12A Problems/Problem 12
- 13:55, 15 February 2009 (diff | hist) . . (+15) . . m 2001 AMC 12 Problems/Problem 25 (→See Also)
- 13:55, 15 February 2009 (diff | hist) . . (+2,188) . . N 2001 AMC 12 Problems/Problem 25 (New page: == Problem == Consider sequences of positive real numbers of the form <math>x, 2000, y, \dots</math> in which every term after the first is 1 less than the product of its two immediate ne...)
- 10:58, 15 February 2009 (diff | hist) . . (+1,647) . . N 2001 AMC 12 Problems/Problem 21 (New page: == Problem == Four positive integers <math>a</math>, <math>b</math>, <math>c</math>, and <math>d</math> have a product of <math>8!</math> and satisfy: <cmath> \begin{align*} ab + a + b &...)
- 09:11, 15 February 2009 (diff | hist) . . (+1,584) . . N 2001 AMC 12 Problems/Problem 23 (New page: == Problem == A polynomial of degree four with leading coefficient 1 and integer coefficients has two zeros, both of which are integers. Which of the following can also be a zero of the p...)
- 08:10, 15 February 2009 (diff | hist) . . (+66) . . m 2001 AMC 12 Problems/Problem 19
- 08:09, 15 February 2009 (diff | hist) . . (+59) . . m 2001 AMC 12 Problems/Problem 13
- 08:08, 15 February 2009 (diff | hist) . . (+1,514) . . N 2001 AMC 12 Problems/Problem 10 (New page: == Problem == The plane is tiled by congruent squares and congruent pentagons as indicated. The percent of the plane that is enclosed by the pentagons is closest to <math> \text{(A) }50 ...)
- 08:04, 15 February 2009 (diff | hist) . . (+70) . . m 2001 AMC 12 Problems/Problem 9
- 08:03, 15 February 2009 (diff | hist) . . (+1,694) . . N 2001 AMC 12 Problems/Problem 8 (New page: == Problem == Which of the cones listed below can be formed from a <math>252^\circ</math> sector of a circle of radius <math>10</math> by aligning the two straight sides? <asy> import g...)
- 07:54, 15 February 2009 (diff | hist) . . (+8,466) . . 2001 AMC 12 Problems
- 22:14, 14 February 2009 (diff | hist) . . (+706) . . m 2009 AMC 12A Problems/Problem 13
- 19:00, 14 February 2009 (diff | hist) . . (+1,629) . . N 2009 AMC 10A Problems/Problem 17 (New page: == Problem == Rectangle <math>ABCD</math> has <math>AB=4</math> and <math>BC=3</math>. Segment <math>EF</math> is constructed through <math>B</math> so that <math>EF</math> is perpendicula...)
- 16:19, 14 February 2009 (diff | hist) . . (+3,251) . . 2008 AMC 12B Problems/Problem 20
- 15:42, 14 February 2009 (diff | hist) . . (-1,806) . . 2008 AMC 10B Problems/Problem 25 (someone made an error when transcribing the problem, fixed it) (current)
- 15:40, 14 February 2009 (diff | hist) . . (-4) . . 2008 AMC 10B Problems (→Problem 25: someone made an error when transcribing this problem, this is now fixed)
- 14:20, 14 February 2009 (diff | hist) . . (+152) . . 2009 AMC 12A Problems/Problem 20
- 14:20, 14 February 2009 (diff | hist) . . (+46) . . N 2009 AMC 10A Problems/Problem 23 (Redirecting to 2009 AMC 12A Problems/Problem 20) (current)
- 19:38, 13 February 2009 (diff | hist) . . (+1,870) . . N 2009 AMC 10A Problems/Problem 21 (New page: == Problem == Many Gothic cathedrals have windows with portions containing a ring of congruent circles that are circumscribed by a larger circle, In the figure shown, the number of smalle...)
- 09:38, 13 February 2009 (diff | hist) . . (+335) . . 2009 AMC 10A Problems (→Problem 23)
- 09:33, 13 February 2009 (diff | hist) . . (+561) . . 2009 AMC 10A Problems (→Problem 21)
- 09:31, 13 February 2009 (diff | hist) . . (+403) . . 2009 AMC 10A Problems (→Problem 19)
- 09:28, 13 February 2009 (diff | hist) . . (+351) . . 2009 AMC 10A Problems (→Problem 17)
- 09:18, 13 February 2009 (diff | hist) . . (+1,668) . . N 2009 AMC 10A Problems/Problem 10 (New page: == Problem == Triangle <math>ABC</math> has a right angle at <math>B</math>. Point <math>D</math> is the foot of the altitude from <math>B</math>, <math>AD=3</math>, and <math>DC=4</math>...)
- 09:01, 13 February 2009 (diff | hist) . . (+638) . . 2009 AMC 10A Problems (→Problem 10)
- 08:55, 13 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 10A Problems/Problem 14 (Redirecting to 2009 AMC 12A Problems/Problem 8) (current)
- 08:55, 13 February 2009 (diff | hist) . . (+444) . . 2009 AMC 10A Problems (→Problem 14)
- 08:54, 13 February 2009 (diff | hist) . . (+104) . . 2009 AMC 12A Problems/Problem 8
- 08:52, 13 February 2009 (diff | hist) . . (+1,116) . . N 2009 AMC 10A Problems/Problem 16 (New page: == Problem == Let <math>a</math>, <math>b</math>, <math>c</math>, and <math>d</math> be real numbers with <math>|a-b|=2</math>, <math>|b-c|=3</math>, and <math>|c-d|=4</math>. What is the...)
- 08:47, 13 February 2009 (diff | hist) . . (+234) . . 2009 AMC 10A Problems (→Problem 16)
- 08:44, 13 February 2009 (diff | hist) . . (+1,701) . . N 2009 AMC 10A Problems/Problem 18 (New page: == Problem == At Jefferson Summer Camp, <math>60\%</math> of the children play soccer, <math>30\%</math> of the children swim, and <math>40\%</math> of the soccer players swim. To the nea...)
- 08:28, 13 February 2009 (diff | hist) . . (+261) . . 2009 AMC 10A Problems (→Problem 18)
- 08:21, 13 February 2009 (diff | hist) . . (+1,375) . . N 2009 AMC 10A Problems/Problem 20 (New page: == Problem == Andrea and Lauren are <math>20</math> kilometers apart. They bike toward one another with Andrea traveling three times as fast as Lauren, and the distance between them decre...)
- 08:13, 13 February 2009 (diff | hist) . . (+419) . . 2009 AMC 10A Problems (→Problem 20)
- 05:51, 13 February 2009 (diff | hist) . . (+1,557) . . N 2009 AMC 10A Problems/Problem 22 (New page: == Problem == Two cubical dice each have removable numbers <math>1</math> through <math>6</math>. The twelve numbers on the two dice are removed, put into a bag, then drawn one at a time ...)
- 05:45, 13 February 2009 (diff | hist) . . (+435) . . 2009 AMC 10A Problems (→Problem 22)
- 05:41, 13 February 2009 (diff | hist) . . (+2,006) . . N 2009 AMC 10A Problems/Problem 24 (New page: == Problem == Three distinct vertices of a cube are chosen at random. What is the probability that the plane determined by these three vertices contains points inside the cube? <math> \m...)
- 05:31, 13 February 2009 (diff | hist) . . (+219) . . 2009 AMC 10A Problems (→Problem 24)
- 05:26, 13 February 2009 (diff | hist) . . (+521) . . 2009 AMC 10A Problems (→Problem 6)
- 05:17, 13 February 2009 (diff | hist) . . (+46) . . N 2009 AMC 10A Problems/Problem 25 (Redirecting to 2009 AMC 12A Problems/Problem 18) (current)
- 05:17, 13 February 2009 (diff | hist) . . (+163) . . m 2009 AMC 12A Problems/Problem 18
- 05:16, 13 February 2009 (diff | hist) . . (+46) . . N 2009 AMC 10A Problems/Problem 15 (Redirecting to 2009 AMC 12A Problems/Problem 11) (current)
- 05:16, 13 February 2009 (diff | hist) . . (+1,742) . . 2009 AMC 10A Problems
- 05:15, 13 February 2009 (diff | hist) . . (+152) . . m 2009 AMC 12A Problems/Problem 11
- 05:12, 13 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 10A Problems/Problem 13 (Redirecting to 2009 AMC 12A Problems/Problem 6) (current)
- 05:11, 13 February 2009 (diff | hist) . . (+151) . . m 2009 AMC 12A Problems/Problem 6
- 05:11, 13 February 2009 (diff | hist) . . (+200) . . 2009 AMC 10A Problems (→Problem 13)
- 05:10, 13 February 2009 (diff | hist) . . (+46) . . N 2009 AMC 10A Problems/Problem 12 (Redirecting to 2009 AMC 12A Problems/Problem 10) (current)
- 05:09, 13 February 2009 (diff | hist) . . (+152) . . m 2009 AMC 12A Problems/Problem 10
- 05:09, 13 February 2009 (diff | hist) . . (+561) . . 2009 AMC 10A Problems (→Problem 12)
- 05:08, 13 February 2009 (diff | hist) . . (+45) . . m 2009 AMC 12A Problems/Problem 2
- 05:08, 13 February 2009 (diff | hist) . . (+45) . . m 2009 AMC 12A Problems/Problem 4
- 05:07, 13 February 2009 (diff | hist) . . (+151) . . 2009 AMC 12A Problems/Problem 5
- 05:07, 13 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 10A Problems/Problem 11 (Redirecting to 2009 AMC 12A Problems/Problem 5) (current)
- 05:07, 13 February 2009 (diff | hist) . . (+258) . . 2009 AMC 10A Problems (→Problem 11)
- 05:06, 13 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 10A Problems/Problem 3 (Redirecting to 2009 AMC 12A Problems/Problem 2) (current)
- 05:06, 13 February 2009 (diff | hist) . . (+103) . . m 2009 AMC 12A Problems/Problem 2
- 05:04, 13 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 10A Problems/Problem 2 (Redirecting to 2009 AMC 12A Problems/Problem 4) (current)
- 05:04, 13 February 2009 (diff | hist) . . (+103) . . 2009 AMC 12A Problems/Problem 4
- 05:00, 13 February 2009 (diff | hist) . . (+708) . . N 2009 AMC 10A Problems/Problem 9 (New page: == Problem == Positive integers <math>a</math>, <math>b</math>, and <math>2009</math>, with <math>a<b<2009</math>, form a geometric sequence with an integer ratio. What is <math>a</math>?...)
- 04:57, 13 February 2009 (diff | hist) . . (+14) . . m 2009 AMC 10A Problems (→Problem 8)
- 04:57, 13 February 2009 (diff | hist) . . (+696) . . m 2009 AMC 10A Problems/Problem 8
- 04:54, 13 February 2009 (diff | hist) . . (+2,688) . . 2009 AMC 10A Problems
- 04:46, 13 February 2009 (diff | hist) . . (+571) . . N 2009 AMC 12A Problems/Problem 2 (New page: == Problem == Which of the following is equal to <math>1 + \frac {1}{1 + \frac {1}{1 + 1}}</math>? <math>\textbf{(A)}\ \frac {5}{4} \qquad \textbf{(B)}\ \frac {3}{2} \qquad \textbf{(C)}\ ...)
- 04:44, 13 February 2009 (diff | hist) . . (+1,001) . . N 2009 AMC 12A Problems/Problem 3 (New page: == Problem == What number is one third of the way from <math>\frac14</math> to <math>\frac34</math>? <math>\textbf{(A)}\ \frac {1}{3} \qquad \textbf{(B)}\ \frac {5}{12} \qquad \textbf{(C)...)
- 04:39, 13 February 2009 (diff | hist) . . (+1,068) . . N 2009 AMC 12A Problems/Problem 4 (New page: == Problem == Four coins are picked out of a piggy bank that contains a collection of pennies, nickels, dimes, and quarters. Which of the following could <em>not</em> be the total value of...)
- 04:33, 13 February 2009 (diff | hist) . . (+2) . . m 2009 AMC 12A Problems (→Problem 4)
- 17:00, 12 February 2009 (diff | hist) . . (+1,046) . . N 2009 AMC 12A Problems/Problem 9 (New page: == Problem == Suppose that <math>f(x+3)=3x^2 + 7x + 4</math> and <math>f(x)=ax^2 + bx + c</math>. What is <math>a+b+c</math>? <math>\textbf{(A)}\ -1 \qquad \textbf{(B)}\ 0 \qquad \textbf...)
- 16:49, 12 February 2009 (diff | hist) . . (+236) . . 2009 AMC 12A Problems (→Problem 9)
- 16:45, 12 February 2009 (diff | hist) . . (+811) . . N 2009 AMC 12A Problems/Problem 7 (New page: == Problem == The first three terms of an arithmetic sequence are <math>2x - 3</math>, <math>5x - 11</math>, and <math>3x + 1</math> respectively. The <math>n</math>th term of the sequence...)
- 16:35, 12 February 2009 (diff | hist) . . (+909) . . N 2009 AMC 12A Problems/Problem 5 (New page: == Problem == One dimension of a cube is increased by <math>1</math>, another is decreased by <math>1</math>, and the third is left unchanged. The volume of the new rectangular solid is <m...)
- 16:29, 12 February 2009 (diff | hist) . . (+535) . . N 2009 AMC 12A Problems/Problem 6 (New page: == Problem == Suppose that <math>P = 2^m</math> and <math>Q = 3^n</math>. Which of the following is equal to <math>12^{mn}</math> for every pair of integers <math>(m,n)</math>? <math>\tex...)
- 16:27, 12 February 2009 (diff | hist) . . (+1,057) . . N 2009 AMC 12A Problems/Problem 8 (New page: == Problem == Four congruent rectangles are placed as shown. The area of the outer square is <math>4</math> times that of the inner square. What is the ratio of the length of the longer si...)
- 16:22, 12 February 2009 (diff | hist) . . (+1,067) . . N 2009 AMC 12A Problems/Problem 10 (New page: == Problem == In quadrilateral <math>ABCD</math>, <math>AB = 5</math>, <math>BC = 17</math>, <math>CD = 5</math>, <math>DA = 9</math>, and <math>BD</math> is an integer. What is <math>BD</...)
- 16:16, 12 February 2009 (diff | hist) . . (+1,404) . . N 2009 AMC 12A Problems/Problem 12 (New page: == Problem == How many positive integers less than <math>1000</math> are <math>6</math> times the sum of their digits? <math>\textbf{(A)}\ 0 \qquad \textbf{(B)}\ 1 \qquad \textbf{(C)}\ 2 ...)
- 16:05, 12 February 2009 (diff | hist) . . (+3,831) . . N 2009 AMC 12A Problems/Problem 13 (New page: == Problem == A ship sails <math>10</math> miles in a straight line from <math>A</math> to <math>B</math>, turns through an angle between <math>45^{\circ}</math> and <math>60^{\circ}</math...)
- 15:31, 12 February 2009 (diff | hist) . . (-7) . . m 2009 AMC 12A Problems (→Problem 13)
- 15:26, 12 February 2009 (diff | hist) . . (+2,808) . . N 2009 AMC 12A Problems/Problem 14 (New page: == Problem == A triangle has vertices <math>(0,0)</math>, <math>(1,1)</math>, and <math>(6m,0)</math>, and the line <math>y = mx</math> divides the triangle into two triangles of equal ar...)
- 14:03, 12 February 2009 (diff | hist) . . (+66) . . m 2009 AMC 12A Problems/Problem 11 (→Solution 2)
- 09:50, 12 February 2009 (diff | hist) . . (+3,035) . . N 2009 AMC 12A Problems/Problem 11 (New page: == Problem == The figures <math>F_1</math>, <math>F_2</math>, <math>F_3</math>, and <math>F_4</math> shown are the first in a sequence of figures. For <math>n\ge3</math>, <math>F_n</math> ...)
- 08:03, 12 February 2009 (diff | hist) . . (+2,098) . . N 2009 AMC 12A Problems/Problem 15 (New page: == Problem == For what value of <math>n</math> is <math>i + 2i^2 + 3i^3 + \cdots + ni^n = 48 + 49i</math>? Note: here <math>i = \sqrt { - 1}</math>. <math>\textbf{(A)}\ 24 \qquad \textbf...)
- 07:46, 12 February 2009 (diff | hist) . . (+1,704) . . N 2009 AMC 12A Problems/Problem 16 (New page: == Problem == A circle with center <math>C</math> is tangent to the positive <math>x</math> and <math>y</math>-axes and externally tangent to the circle centered at <math>(3,0)</math> with...)
- 06:58, 12 February 2009 (diff | hist) . . (+1,153) . . N 2009 AMC 12A Problems/Problem 17 (New page: == Problem == Let <math>a + ar_1 + ar_1^2 + ar_1^3 + \cdots</math> and <math>a + ar_2 + ar_2^2 + ar_2^3 + \cdots</math> be two different infinite geometric series of positive numbers with ...)
- 06:53, 12 February 2009 (diff | hist) . . (+1,519) . . N 2009 AMC 12A Problems/Problem 19 (New page: == Problem == Andrea inscribed a circle inside a regular pentagon, circumscribed a circle around the pentagon, and calculated the area of the region between the two circles. Bethany did t...)
- 06:40, 12 February 2009 (diff | hist) . . (+1,517) . . N 2009 AMC 12A Problems/Problem 18 (New page: == Problem == For <math>k > 0</math>, let <math>I_k = 10\ldots 064</math>, where there are <math>k</math> zeros between the <math>1</math> and the <math>6</math>. Let <math>N(k)</math> be...)
- 06:24, 12 February 2009 (diff | hist) . . (+4,236) . . 2006 AMC 12B Problems/Problem 22
- 18:12, 11 February 2009 (diff | hist) . . (+1,664) . . 2006 AMC 12B Problems/Problem 20
- 17:43, 11 February 2009 (diff | hist) . . (+1,095) . . 2006 AMC 12B Problems/Problem 17
- 17:30, 11 February 2009 (diff | hist) . . (+1,013) . . 2006 AMC 12B Problems/Problem 18
- 16:56, 11 February 2009 (diff | hist) . . (-140) . . m 2006 AMC 12B Problems (→Problem 14)
- 16:30, 11 February 2009 (diff | hist) . . (+4,456) . . 2006 AMC 12B Problems (three geometry problems still missing (got no pics for them))
- 15:48, 11 February 2009 (diff | hist) . . (+1,583) . . 2008 AMC 10B Problems/Problem 14
- 15:27, 11 February 2009 (diff | hist) . . (+219) . . 2008 AMC 10B Problems/Problem 19 (→Problem)
- 15:26, 11 February 2009 (diff | hist) . . (+206) . . 2008 AMC 10B Problems (→Problem 19)
- 15:25, 11 February 2009 (diff | hist) . . (+642) . . 2008 AMC 10B Problems (→Problem 14)
- 15:21, 11 February 2009 (diff | hist) . . (+1,054) . . 2008 AMC 10B Problems/Problem 8
- 15:16, 11 February 2009 (diff | hist) . . (+177) . . m 2008 AMC 10B Problems/Problem 9
- 15:15, 11 February 2009 (diff | hist) . . (+8) . . 2008 AMC 10B Problems (→Problem 9)
- 15:14, 11 February 2009 (diff | hist) . . (+440) . . 2008 AMC 10B Problems (→Problem 8)
- 15:56, 10 February 2009 (diff | hist) . . (+3,186) . . N 2004 AMC 12B Problems/Problem 14 (New page: == Problem == In <math>\triangle ABC</math>, <math>AB=13</math>, <math>AC=5</math>, and <math>BC=12</math>. Points <math>M</math> and <math>N</math> lie on <math>AC</math> and <math>BC</m...)
- 15:38, 10 February 2009 (diff | hist) . . (+979) . . 2004 AMC 12B Problems (→Problem 14)
- 15:26, 10 February 2009 (diff | hist) . . (+559) . . 2004 AMC 12B Problems (→Problem 22)
- 15:25, 10 February 2009 (diff | hist) . . (+1,226) . . N 2004 AMC 12B Problems/Problem 18 (New page: == Problem == Points <math>A</math> and <math>B</math> are on the parabola <math>y=4x^2+7x-1</math>, and the origin is the midpoint of <math>AB</math>. What is the length of <math>AB</mat...)
- 15:17, 10 February 2009 (diff | hist) . . (+338) . . 2004 AMC 12B Problems (→Problem 18)
- 15:13, 10 February 2009 (diff | hist) . . (0) . . m 2004 AMC 12B Problems/Problem 15
- 15:12, 10 February 2009 (diff | hist) . . (-1,719) . . 2004 AMC 10B Problems/Problem 17 (Redirecting to 2004 AMC 12B Problems/Problem 15) (current)
- 15:12, 10 February 2009 (diff | hist) . . (+1,918) . . N 2004 AMC 12B Problems/Problem 15 (New page: {{duplicate|2004 AMC 12B #15 and 2004 AMC 10B #17}} ==Problem== The two digits in Jack's age are the same as the digits in Bill's age...)
- 15:07, 10 February 2009 (diff | hist) . . (+339) . . 2004 AMC 12B Problems (→Problem 15)
- 15:06, 10 February 2009 (diff | hist) . . (-1,762) . . 2004 AMC 10B Problems/Problem 19 (Redirecting to 2004 AMC 12B Problems/Problem 12) (current)
- 15:06, 10 February 2009 (diff | hist) . . (+1,960) . . N 2004 AMC 12B Problems/Problem 12 (New page: {{duplicate|2004 AMC 12B #12 and 2004 AMC 10B #19}} ==Problem== In the sequence <math>2001</math>, <math>2002</math>, <math>2003</math...)
- 15:05, 10 February 2009 (diff | hist) . . (+500) . . 2004 AMC 12B Problems (→Problem 12)
- 15:03, 10 February 2009 (diff | hist) . . (+1,472) . . N 2004 AMC 12B Problems/Problem 11 (New page: == Problem == All the students in an algebra class took a <math>100</math>-point test. Five students scored <math>100</math>, each student scored at least <math>60</math>, and the mean sc...)
- 14:53, 10 February 2009 (diff | hist) . . (+391) . . 2004 AMC 12B Problems (→Problem 11)
- 14:51, 10 February 2009 (diff | hist) . . (+940) . . N 2004 AMC 12B Problems/Problem 9 (New page: == Problem == The point <math>(-3,2)</math> is rotated <math>90^\circ</math> clockwise around the origin to point <math>B</math>. Point <math>B</math> is then reflected over the line <mat...)
- 14:39, 10 February 2009 (diff | hist) . . (+405) . . 2004 AMC 12B Problems (→Problem 9)
- 14:33, 10 February 2009 (diff | hist) . . (-1,578) . . 2004 AMC 10B Problems/Problem 12 (Redirecting to 2004 AMC 12B Problems/Problem 10) (current)
- 14:33, 10 February 2009 (diff | hist) . . (+1,775) . . N 2004 AMC 12B Problems/Problem 10 (New page: {{duplicate|2004 AMC 12B #10 and 2004 AMC 10B #12}} ==Problem== An annulus is the region between two concentric circles. The concentri...)
- 14:30, 10 February 2009 (diff | hist) . . (+1,176) . . 2004 AMC 12B Problems (→Problem 10)
- 18:22, 9 February 2009 (diff | hist) . . (+3,236) . . N 2004 AMC 10B Problems/Problem 25 (New page: == Problem == A circle of radius <math>1</math> is internally tangent to two circles of radius <math>2</math> at points <math>A</math> and <math>B</math>, where <math>AB</math> is a diame...)
- 18:05, 9 February 2009 (diff | hist) . . (+1,161) . . m 2004 AMC 10B Problems (→Problem 25)
- 17:44, 9 February 2009 (diff | hist) . . (+2,339) . . N 2004 AMC 10B Problems/Problem 20 (New page: == Problem == In <math>\triangle ABC</math> points <math>D</math> and <math>E</math> lie on <math>BC</math> and <math>AC</math>, respectively. If <math>AD</math> and <math>BE</math> inter...)
- 17:29, 9 February 2009 (diff | hist) . . (+796) . . 2004 AMC 10B Problems (→Problem 20)
- 14:59, 9 February 2009 (diff | hist) . . (+6) . . m 2005 AMC 10B Problems/Problem 21 (→Solution)
- 16:12, 7 February 2009 (diff | hist) . . (+2) . . m 2004 AMC 10B Problems/Problem 18 (→Solution)
- 16:04, 7 February 2009 (diff | hist) . . (+188) . . m 2004 AMC 10B Problems (→Problem 18)
- 16:04, 7 February 2009 (diff | hist) . . (+2,846) . . N 2004 AMC 10B Problems/Problem 18 (New page: == Problem == In the right triangle <math>\triangle ACE</math>, we have <math>AC=12</math>, <math>CE=16</math>, and <math>EA=20</math>. Points <math>B</math>, <math>D</math>, and <math>F<...)
- 15:52, 7 February 2009 (diff | hist) . . (+896) . . 2004 AMC 10B Problems (→Problem 18)
- 15:40, 7 February 2009 (diff | hist) . . (+1,624) . . N 2004 AMC 10B Problems/Problem 12 (New page: ==Problem== An annulus is the region between two concentric circles. The concentric circles in the figure have radii <math>b</math> and <math>c</math>, with <math>b>c</math>. Let <math>O...)
- 15:37, 7 February 2009 (diff | hist) . . (+1,176) . . 2004 AMC 10B Problems (→Problem 12)
- 13:50, 7 February 2009 (diff | hist) . . (+1,081) . . N 2004 AMC 10B Problems/Problem 11 (New page: == Problem == Two eight-sided dice each have faces numbered 1 through 8. When the dice are rolled, each face has an equal probability of appearing on the top. What is the probability that...)
- 13:40, 7 February 2009 (diff | hist) . . (+150) . . 2004 AMC 12B Problems/Problem 8
- 13:39, 7 February 2009 (diff | hist) . . (+45) . . N 2004 AMC 10B Problems/Problem 10 (Redirecting to 2004 AMC 12B Problems/Problem 8) (current)
- 13:38, 7 February 2009 (diff | hist) . . (+149) . . 2004 AMC 12B Problems/Problem 7
- 13:38, 7 February 2009 (diff | hist) . . (+45) . . N 2004 AMC 10B Problems/Problem 9 (Redirecting to 2004 AMC 12B Problems/Problem 7) (current)
- 13:37, 7 February 2009 (diff | hist) . . (+45) . . N 2004 AMC 10B Problems/Problem 8 (Redirecting to 2004 AMC 12B Problems/Problem 6) (current)
- 13:37, 7 February 2009 (diff | hist) . . (+148) . . 2004 AMC 12B Problems/Problem 6
- 13:36, 7 February 2009 (diff | hist) . . (+45) . . N 2004 AMC 10B Problems/Problem 7 (Redirecting to 2004 AMC 12B Problems/Problem 5) (current)
- 13:35, 7 February 2009 (diff | hist) . . (+147) . . 2004 AMC 12B Problems/Problem 5
- 13:32, 7 February 2009 (diff | hist) . . (+908) . . N 2004 AMC 10B Problems/Problem 6 (New page: ==Problem== Which of the following numbers is a perfect square? <math> \mathrm{(A) \ } 98! \cdot 99! \qquad \mathrm{(B) \ } 98! \cdot 100! \qquad \mathrm{(C) \ } 99! \cdot 100! \qquad \m...)
- 13:27, 7 February 2009 (diff | hist) . . (+20) . . m 2004 AMC 10B Problems (→Problem 6)
- 13:26, 7 February 2009 (diff | hist) . . (+432) . . 2004 AMC 10B Problems/Problem 1
- 13:22, 7 February 2009 (diff | hist) . . (-75) . . 2004 AMC 10B Problems/Problem 5 (Redirecting to 2004 AMC 12B Problems/Problem 2) (current)
- 13:21, 7 February 2009 (diff | hist) . . (+157) . . 2004 AMC 12B Problems/Problem 2
- 13:14, 7 February 2009 (diff | hist) . . (+1,503) . . 2004 AMC 10B Problems/Problem 4 (previous solution was wrong!)
- 12:57, 7 February 2009 (diff | hist) . . (+1,678) . . 2002 AIME I Problems/Problem 11
- 20:16, 4 February 2009 (diff | hist) . . (+418) . . Heron's Formula (→External Links)
- 05:05, 3 February 2009 (diff | hist) . . (-13) . . m 2006 Cyprus MO/Lyceum/Problem 26 (current)
- 05:05, 3 February 2009 (diff | hist) . . (-13) . . m 2006 Cyprus MO/Lyceum/Problem 25 (current)
- 05:04, 3 February 2009 (diff | hist) . . (-13) . . m 2006 Cyprus MO/Lyceum/Problem 27 (current)
- 05:04, 3 February 2009 (diff | hist) . . (-13) . . m 2006 Cyprus MO/Lyceum/Problem 28 (current)
- 05:04, 3 February 2009 (diff | hist) . . (-13) . . m 2006 Cyprus MO/Lyceum/Problem 29
- 05:04, 3 February 2009 (diff | hist) . . (-14) . . m 2006 Cyprus MO/Lyceum/Problem 30 (current)
- 19:10, 2 February 2009 (diff | hist) . . (-2) . . m 2008 AMC 10B Problems/Problem 14
- 19:09, 2 February 2009 (diff | hist) . . (-2) . . m 2008 AMC 10B Problems/Problem 23
- 19:09, 2 February 2009 (diff | hist) . . (-2) . . m 2008 AMC 10B Problems/Problem 8
- 19:07, 2 February 2009 (diff | hist) . . (+1) . . N User talk:Misof (New page: .)
- 19:06, 2 February 2009 (diff | hist) . . (+83) . . N User:Misof (New page: hello should you want to tell me something, use the discussion page to this one :)) (current)
- 19:04, 2 February 2009 (diff | hist) . . (-2) . . m 2006 AMC 12B Problems/Problem 10
- 19:04, 2 February 2009 (diff | hist) . . (-2) . . m 2006 AMC 12B Problems/Problem 13
- 19:04, 2 February 2009 (diff | hist) . . (-2) . . m 2006 AMC 12B Problems/Problem 14
- 19:04, 2 February 2009 (diff | hist) . . (-2) . . m 2006 AMC 12B Problems/Problem 15
- 19:03, 2 February 2009 (diff | hist) . . (-2) . . 2006 AMC 12B Problems/Problem 16
- 19:03, 2 February 2009 (diff | hist) . . (-2) . . 2006 AMC 12B Problems/Problem 17
- 19:03, 2 February 2009 (diff | hist) . . (-2) . . 2006 AMC 12B Problems/Problem 18
- 19:03, 2 February 2009 (diff | hist) . . (-2) . . 2006 AMC 12B Problems/Problem 19
- 19:02, 2 February 2009 (diff | hist) . . (-2) . . m 2006 AMC 12B Problems/Problem 20
- 19:02, 2 February 2009 (diff | hist) . . (-2) . . m 2006 AMC 12B Problems/Problem 22 (rationale behind these edits: problems with no statement should NOT be on the list of problems that need a solution)
- 19:01, 2 February 2009 (diff | hist) . . (-2) . . m 2006 AMC 12B Problems/Problem 23
- 19:00, 2 February 2009 (diff | hist) . . (+12) . . m 2006 AMC 12B Problems/Problem 25 (→Problem)
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