Assemble the proof etc help, look at screenshot

49xy +34y - 72z. determine the degree of the polynomial

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9