Find the perimeter.
x+8y
units
4x -x-5y units
The perimeter is units.
(Simplify your answer. Do not factor.)

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

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%

How does reflecting or rotating a figure change the interior angles of the figure?