Pls i need help with this math problem

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%

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1