What would it be i’ve been stuck for so long someone me for the love of god

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

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.

Find the missing dimension! need asap! tiny square is a =3025 in ²