Darlene’s car used 4 gallons of gas on a 90-mile trip. If it gets the same mileage, how much gas will it use on a 225 mile trip?

True or false? a circle could be circumscribed about the quadrilateral below.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters