The hot water faucet takes four minutes to fill the tub, in the cold water faucet takes 3 minutes for the same job. how long to fill the tub with both faucets are used?

Factor this polynomial completely x^2-64

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.

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