A riverboat travels at an average of 14km per hour in still water. The riverboat travels 110km east up the Ohio River and 110km west down the same river in a total of 17.5 hours. To the nearest tenth of a kilometer per hour, what was the speed of the current of the river

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Find the missing factor. write your answer inexponential form.9^2=9^4×

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)