The sum of the angle measures of any triangle is 180 degrees. suppose that one angle in a triangle has a degree measure of +3x2 and another has a degree measure of +8x7 . write an expression for the degree measure of the third angle in the 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%