Can someone help me pls because I need help

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%

Is the power produced directly proportional to the wind speed, give reasons for your answer?

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8