Plan x and y are perpendicular. Points A, E,F and G are points only in plane x. Points R and S are points in both planes X and Y. Lines EA and FG are parallel

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 compound inequality could be represented by the graph?

Determine domain and range, largest open interval, and intervals which function is continuous.