Beth buys 3.2 pounds of potatoes and gives the clerk a $5 bill. Write an equation that shows how much change she
will get back. Explain how your equatiyn represents this problem.

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

Which of the following expressions is equal to 2x^2+8

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?