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Six sophomores and 14 freshmen are competing for two alternate positions on the debate team.

Which expression represents the probability that both students chosen are sophomores?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

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.

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?