Solve by taking square roots: x^2 - 40 = 9

Solve for x, y, and z. show all steps.

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Which of the following is correct interpretation of the expression -4+13