What is the measure of each 3 angels

If a is a nonzero real number then the reciprocal of a is

The value of cos 30° is the same as which of the following?

Aline has a slope of . which ordered pairs could be points on a parallel line? check all that apply. (-8, 8) and (2, 2) (-5, -1) and (0, 2) (-3, 6) and (6, -9) (-2, 1) and (3,-2) (0, 2) and (5,5)