What is the simplified version of (1/3) (9x - 9)

Which value is not a solution of 8x^3 – 1 = 0

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.