What is the square root of 9 over 25

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.

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m