8. Ricky paddles his canoe at a rate of 6 miles per hour in still water. Last weekend he canoed on Carver Creek going
downstream with the current for 9 miles and then returning
upstream against the current. If the trip took him 4 hours to
complete, what was the speed of the current? (7 points)

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. monthly temperatures: 63 degrees upper f comma 67 degrees upper f comma 71 degrees upper f comma 75 degrees upper f comma and 79 degrees upper fmonthly temperatures: 63° f, 67° f, 71° f, 75° f, and 79° f