Wwyd if this was in ur sleep​

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?

Which of the following circles have their centers on the x-axis? check all that apply.

What’s the volume of the triangular prism?