What is the answer to 4a+96/a+15 and 4a+24/a+15 using 50 as a

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? ( )

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?