Solve using function notation please help

What point is the projection of q on a) r b) s c) t

In the diagram, gef and hef are congruent. what is the value of x

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.