How to answer these questions?kindly assist

The only way to identify an intercept is as an ordered pair. true false

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.