Challenge Time How do you start a fire?

1st place- Brainliest, 5 stars , thx.
2end place- 4 stars- thx.

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.

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30