What is the value of 8 in the number 0.837

If g^-1(x) is the inverse of g (x) which statement must be true

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?

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