The width of a rectangle is 7 less than twice the length. if the perimeter of the rectangle is 43.6 inches, what is the area of the rectangle?

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?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.