What expression is equivalent to twice B plus the sum of 2 and b?

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? ( )

At which value in the domain does f(x) =0?

Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.