What is the next number after 2?

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.

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Line wx is parallel to line yz. if m