A cylinder has a base diameter of 8ft and a height of 20ft what is its volume in cubic ft to the nearest tenths place

Don't know how to find x given these segment lengths

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.