Julie pays 6.72 for 3.2 pounds of ground beef to make hamburgers. What price per pound does she pay

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 value of f(x) = 2.2 for f(-2)?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if