What is a possible equation for the parabola shown below?

3(10x-y)-5(x-y^2) need this solved asap

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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