Using the remainder theorem, which quotient has a remainder of 20?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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

Whats is the value of the variables ?