Subtracting 3x^2+4x-5 from 7x^2+x+9 results in polynomial. after subtracting 4x^2-3x from this polynomial the difference is

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 square root of 45? (step by step working plz)

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2