Write and solve an equation to answer the question

17 is what percent of 68

What is the pattern in the values as the exponents increase?

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.

Can some one me with these questions