4
-5a+b=8
7a +9b = -32
i need to use substitution for this one. ?

Can (2,3 and square root 10) be sides ona right triangle?

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%

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?