Which expression can be used to check the answer to 56-(-14)=-4? O-14x-4
O4(-14)
O 56x(-14)
O-4-56

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 upper quartile in the box plot?

Having a hard time understanding this question (see attachment).