I really need help with this test

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? ( )

What is the binomial expansion of (2x-3)^5

Factor the expression using the gcf. the expression 21m−49n factored using the gcf