Consider the function y = 2 cos(-x) - 4.

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.