Euclid 2020/Problem 1

1. (a) If $x = 11$, what is the value of $\frac{3x + 6}{x + 2}$?

(b) What is the y-intercept of the line that passes through $A(1, 5)$ and $B(1, 7)$?

(c) The lines with equations $y = 3x + 7$, $y = x + 9$, and $y = mx + 17$ intersect at a single point. Determine the value of $m$.