Lesson 23 Quiz Practice

In 2016, a school started its own aquarium with x fish. In 2019, there were x³ fish in the same aquarium. There were 729 fish in 2019. How many fish were there in 2016?

• 9 fish

• -9 fish

• 364.5 fish

• 143 fish

In 2013, a school started its own aquarium with x fish. In 2020, there were x³ fish in the same aquarium. There were 343 fish in 2020. How many fish were there in 2013?

• 49 fish

• 14 fish

• 7 fish

• 143 fish

A square sandbox has an area of 196 ft². What is the perimeter of the sandbox? (add all the side lengths together for perimeter)

• -14 ft

• 49 ft

• 14 ft

• 56 ft

A square sandbox is missing one of its border. The sandbox has an area of 196 ft². How long will the replacement side need to be?

• -14 ft

• 49 ft

• 14 ft

• 56 ft

• 7

• 8

• -7

• 6

• 8

• -8

• -4

• 4

• 8

• -8

• -4

• 4

• y=8

• y=4

• none of the above

• both

• none of the above

• both