Can you me this is so hard plz1 2/5*=7

For the function, f(x) = -5x 2, find f(-4).

Can (3,5 and square root 34) be sides on a right triangle?

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