Factor by using the gcf. 7x - 7 a 7(x - 1) b -49x c 7x - 1 d 7(x - 7)

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

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.

Ineed with number 6 , explain how to get 1978