If you take your equation for finding the volume of a sphere which is V=π
and plug in the 7 you get that the volume equals 1436.76. but you want your answer in terms of pi so divide it by pi and round to the nearest hundreth then add pi at the end .
The second one which is 9.99 + 5n because if you see in the question. Per downloadable. Which means that she can buy more. For example: If she buys 2 of the additional downloadable content It will be 9.99+5(2)
