A game is played using one die. If the die is rolled and shows 3 the player wins $40 dollars. If the die shows any number other than 3 the player wins nothing. If there is a charge of $8 to play the game what is the games expected value?

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