If two complementary angles are in a 2:3 ratio, what is the degree measure of each angle?

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

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.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?