What is the slope of a line perpendicular to the line whose equation is 4x-2y =12

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%

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

What is the factored form of the following expressions? d^2 – 13d + 36