208=k(k+3) find the value of k

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.

Who long does it take to drive 150 miles at 45 miles per hour

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?