A group of coal mines started mining at 84ft below the surface

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 the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red