Decide if the Fraction is Equivalent and tell what number was used to reduce them. If they are not, explain why. 36/160= 3/5

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%

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Yvaries inversely as x. y =12 when x=5. find y when x=4