Answer:
Step-by-step explanation:
(9 + 6i) - (1 + 3i) = 9 + 6i - 1 - 3i = (9 - 1) + (6i - 3i) = 8 + 3i
36
Answer: 18/7
Step-by-step explanation: random.
i think its 45/2
decimal form= 22.5