What is the mean average of 100, 75, 40, 90, 80, 100, 92, 88, 80, 84, 81?

Which fraction below is equivalent to 10/12?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0