Ineed to know what the dependent and the independent quantities are. plz someone

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

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?