A 450 gallon tank full of water is draining at a rate of 20 gallons per minute. How long will it take for the tank to have 200 gallons?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

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