Write a one-paragraph summary to describe how to solve this two-step equation -3x + 8 = 18

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.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.