Is the sequence 12, 144, 1728 an exponential or linear

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq