Apair of dice are tossed. find the probability that the sum on the two dice is 8, given that the sum is even.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Select the quadratic that has root x = 8 and x = -5

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15