If 9 x n/5 = 9 divided by n/5 what does n equal?

Which fraction below is equivalent to 10/12?

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.

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships