The quotient of a number and 2 increased by 9 is -15

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

15 point ! ~ see if you know the answer to both you!

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv