is from 0 to 70 at increments of 10. Dots are made at ordered pairs 0, 0 and 1.8, 5 and 2.3, 9 and 2.8, 11 and 3.5, 15 and 4.1, 22 and 4.2, 26 and 5.5, 18 and 5.8, 29 and 6, 30 and 6.1, 15 and 6.5, 32 and 7.2, 35 and 7.3, 38 and 8.5, 42. The point 12, 10 is labeled as P, the point 6, 40 is labeled as Q, the point 3, 20 is labeled as R, and the point 0, 0 is labeled as S. Point P Point Q Point R Point S