20. When looking at the graph of the function y=cos(1/2x) if a cycle begins at pi, at what point does
the cycle end?
•10pi
•7pi/2
•5pi
•5pi/2

15 point ! ~ see if you know the answer to both you!

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?