Edgar anderson earns 200 a week plus a 15% commission on all sales over 1,000. if mr. anderson's sales for one week are 2,500 what is his gross pay for that week?

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap