Please help! Find the x intercept and the y intercept of the graph of the equation

What is the distance between (–2 1/2,-3) and (1, –3)?

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?

If a || b and e || f , what if the value of y ?