If (x) = 3! + 10x and cx) = 2x - 4, find (f-g)(x).

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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.