Asurvey of uf students asked for their employment status and their year in school. the results appear below. yr in school job no job freshman 16 22 sophomore 24 15 junior 17 20 senior 25 19 grad student or super senior 8 5 what is the null hypothesis being tested here?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

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.

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?