What value of "x" makes the equation true? ?-15 + (-5x) = 0

Find the solution of system of equation y= x-4 y=4x+2

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

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?