How do you write explanation form for 9×9×9×9​

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? ( )

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Ineed with this problem 21 show steps