To prove that triangle vwx ~ triangle yxz by the sas similarity theorem, which other sides or angles should be used?

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? ( )

Need solving this second acceleration problem.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x