The teachers editions of a statistics textbook sell for $150 each, and students edition of the book sell for $50 each. Which function can be used to find the average cost per book if two teachers additions and x students additions are purchased?

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

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.

If cos(θ)=2853 with θin q iv, what is sin(θ)?