Me with my homework answer this correctly

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)

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount