X * 2 - 21

x + 12

x - 12

x * 2 - 17

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

Find the axis of symmerty for x y=x squared -4x-8