How do i find the correlation coefficient of a data table?

Which is the completely factored from of xy^3-x^3y

Is the figure congruent? yes or no?

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.