It took Chuck 4 hours to travel over pack ice from one town in the Arctic to another town 200 miles away. During the return journey, it took him 10 hours. Assume the pack ice was drifting at a constant rate, and that Chuck’s snowmobile was traveling at a constant speed relative to the pack ice.

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.

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?