The length of marshall's poster is 2 times its width. if the perimeter is 72 inches, what is the area of the poster?

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.

Write the expression 7x^3-28xy^2 as the product of 3 factors

Can someone me with these two circle theorem questions asap?