I don't understand the following question please help me

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

Solve for x. −3/4(x+2)=6 enter your answer in the box

The least common denominator of 4/8 and 11/18