Determine what value(s) for the variable would make each algebraic equation a true number sentence.
�2 = 81 is true for .
6� = 3� + 2� + � is true for .
� + 74 = � − 74 is true for .

Afootball is throw by a quarterback to a receiver

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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.