angle 3 and angle 4 are adjacent and complementary.
angle 5 is a vertical angle to the combination of angle 3 and 2
angle 4 and angle 5 are adjacent, supplementary, and form a linear pair
If you want me to explain why, comment it, i just have no time to now.
ANSWER:
1791018.01445
EXPLANATION:
Use long multiplication to evaluate
33-4(3)
33-12
21
The answer is 21