I don’t know what 10+1x2

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? ( )

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)