Find the slope of each line show work. Will give BRAINLIEST

15 point ! ~ see if you know the answer to both you!

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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%