A=800+200t, where A equals total monthly income and T equals the number of televisions sold, how much money did Shani earn if she sold 9 Televisions.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .