Find the sum: −3 4 and 5 8 The expression written in equivalent form with a common denominator is . The sum is .

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.

Need on this geometry question. explain how you did it.

What is 1/3x5 on anuber line what does it look like on a number line