Find the value of x

A. 7
B. 6
C. 8
D. 14

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%

What is the y-intercept of the line with the equation 3x + 4y = 12?

Solve the system of equations. x=-2y+1 and x+2y=9. show work