Sara answered 84% of the questions correctly. If Sarah answered 42 questions correctly, how many questions were on the test?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5