7 x = 364 whats the missing number ?

Is the product of seventeen negative numbers, positive or negative ?

John bought 2 horses at rs 20000 each

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.