How, i know its easy but i feel like im doing something wrong so.

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

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