User contributions
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- 18:59, 26 February 2009 (diff | hist) . . (+15) . . 2009 AMC 10B Problems/Problem 3
- 18:58, 26 February 2009 (diff | hist) . . (+15) . . 2009 AMC 10B Problems/Problem 23
- 18:56, 26 February 2009 (diff | hist) . . (+1,794) . . 2009 AMC 10B Problems/Problem 25
- 16:02, 26 February 2009 (diff | hist) . . (+178) . . 2009 AMC 10B Problems/Problem 1
- 15:58, 26 February 2009 (diff | hist) . . (+148) . . 2009 AMC 10B Problems/Problem 3
- 15:55, 26 February 2009 (diff | hist) . . (+152) . . 2009 AMC 10B Problems/Problem 23
- 15:43, 26 February 2009 (diff | hist) . . (0) . . 2009 AMC 10B Problems/Problem 25
- 15:32, 26 February 2009 (diff | hist) . . (+152) . . 2009 AMC 10B Problems/Problem 25
- 15:23, 26 February 2009 (diff | hist) . . (+601) . . N 2009 AMC 10B Problems/Problem 25 (New page: == Problem == Each face of a cube is given a single narrow stripe painted from the center of one edge to the center of the opposite edge. The choice of the edge pairing is made at random ...)
- 15:01, 26 February 2009 (diff | hist) . . (+1,508) . . N 2009 AMC 10B Problems/Problem 23 (New page: == Problem == Rachel and Robert run on a circular track. Rachel runs counterclockwise and completes a lap every 90 seconds, and Robert runs clockwise and completes a lap every 80 seconds....)
- 10:54, 26 February 2009 (diff | hist) . . (+613) . . N 2009 AMC 10B Problems/Problem 3 (New page: == Problem == Paula the painter had just enough paint for 30 identically sized rooms. Unfortunately, on the way to work, three cans of paint fell off her truck, so she had only enough pai...)
- 10:36, 26 February 2009 (diff | hist) . . (+543) . . N 2009 AMC 10B Problems/Problem 1 (New page: == Problem == 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 di...)
- 21:15, 18 February 2009 (diff | hist) . . (0) . . 2009 AMC 10A Problems (→Problem 7)
- 21:13, 18 February 2009 (diff | hist) . . (0) . . 2009 AMC 10A Problems/Problem 7 (→Problem)
- 21:11, 18 February 2009 (diff | hist) . . (+466) . . N 2009 AMC 10A Problems/Problem 7 (New page: == Problem == A carton contains milk that is <math>2</math>% fat, an amount that is <math>40</math>% less fat than the amount contained in a carton of whole milk. What is the percentage of...)
- 21:07, 18 February 2009 (diff | hist) . . (+764) . . N 2009 AMC 10A Problems/Problem 6 (New page: == Problem == A circle of radius <math>2</math> is inscribed in a semicircle, as shown. The area inside the semicircle but outside the circle is shaded. What fraction of the semicircle's ...)
- 21:00, 18 February 2009 (diff | hist) . . (+651) . . N 2009 AMC 10A Problems/Problem 4 (New page: ==Problem== Eric plans to compete in a triathlon. He can average <math>2</math> miles per hour in the <math>\frac{1}{4}</math>-mile swim and <math>6</math> miles per hour in the <math>3</m...)
- 20:49, 18 February 2009 (diff | hist) . . (+19) . . AMC 12 Problems and Solutions
- 20:47, 18 February 2009 (diff | hist) . . (-1) . . m 2009 AMC 10A Problems
- 19:04, 18 February 2009 (diff | hist) . . (+302) . . N 2009 AMC 10A Problems/Problem 5 (New page: ==Problem== What is the sum of the digits of the square of 111,111,111 ? <math>\mathrm{(A)}\ 18\qquad\mathrm{(B)}\ 27\qquad\mathrm{(C)}\ 45\qquad\mathrm{(D)}\ 63\qquad\mathrm{(E)}\ 81</ma...)
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