What is the y-value if x is 2 for the equation y=-1/2x?

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

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Find the solution of this system of equation -7x+y=-20 9x-3y=36