What ratio is equivalent to 7:3?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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.

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?