At Hudson High School, the first class starts at 8:26 AM and the fourth class ends at 11:26 AM. There are 4 minutes between classes and each class is the same length. How many minutes are there in one class period? The answer is 168/4= 42 so your answer is 42 min

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%