Please help with my math and only answer if you're correct! (no fre. e points please)

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points