Are these lines parallel, perpendicular or neither. (6,0)(6,4) and (0,4)(6,4)

Volume of cylinder with a radius of 8cm and height of 25 cm

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%

Pls brainliest will be awarded if answer is correct