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What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

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%

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab