Work out the mean for the data set below:

1, 2, 1, 2, 2, 4

How can you tell when x and y are not directly proportional?

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.

What is the gcf of 20c^3-5c^4+30c^6