Any unknown or changeable quantity is called a (n)

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 acceleration of an object due to gravity is 32 feet per second squared. what is acceleration due to gravity in inches per second squared?

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,