Please tell if this is correct

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 table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?