An aquarium tank can hold 7200 liters of water. there are two pipes that can be used to fill the tank. the first pipe alone can fill the tank in 48 minutes. the second pipe can fill the tank in 96 minutes by itself. when both pipes are working together, how long does it take them to fill the tank?

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

Which graph represents the following piecewise defined function?

Write the pair of fractions as a pair of fractions with a common denominator