I'll givee brainliest

The highest common factor of 132 and 220

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? ( )

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9