The data below are the temperatures on randomly chosen days during a summer class and the number of absences on those days. Temperature, x: 72, 85, 91, 90, 88, 98, 75, 100, 80. Number of absences, y: 3, 7, 10, 10, 8, 15, 4, 15, 5.
Find and interpret the linear correlation coefficient r.

Which expression gives you the distance between the points (5,1)and(9,-6)

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5