HELP ME PLEASE ANSWER THE QUESTION CORRECTLY

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%

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

What is the sum of the first 8 terms of the geometric series