You purchase 15.75 gallons of gasoline at $ 2.39/gallon. you have the clerk $ 30.00. how much do you still owe?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

If a line is defined by the equation y = 5x + 2, what is the slope?