What is the circumference of a circular plate with a radius of 3 inches?

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

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)