What is the slope of the line please help thank you (picture)

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

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?

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)