15 3/4% is equal to which deciminal

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.

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Solve one step and two step problems