Picture included will put most brainliest, ignore the answer marked in i have no idea

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

How to find the volume of an area and height