Determine the GCF of all the terms: 36y, 81y and 108y

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

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.

Does anyone know how to do geometryme with this problem