(1).factor the expression: 15n- 18
a: 15n-18
b: 3(5n-6)
c: 5(3n-13)
d: 3(5n-18)

(2).solve for x: -2.3(x-1.2) = -9.66
a: 3.2
b: 9.7
c: 11.6

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%