Berto has 12$ to put in his car. if gas costs $3.75 per gallon, which ordered pair relating number of gallons of gas, x, to total cost of gas, y, includes the greatest amount of gas berto can buy?

Your company will replace the asphalt roofs on all the buildings at the factory complex shown below. the buildings have flat roofs. you charge according to the total roof area. what is this area, in square yards?