Mr. william's paid $1250 in cash for a new television set. if he had bought it using the store's payment plan, he would have had to pay a deposit of $350 and 9 monthly installments of $150. how much money did he save by paying in cash? answers

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.