(2 + 3i) - (5 - 7i)
2 + 3i - 5 + 7i
2 - 5 + 3i + 7i
-3 + 10i - final answer
Answer:
A, C, and E
Step-by-step explanation:
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Answer:
The ratio of 3:6 means the 180 degrees has been split into 3+6 = 9 parts. One angle is 3 parts, so it = 3*20 = 60 degrees. The other is 6 parts, so it = 6*20 = 120 degrees.
Step-by-step explanation:
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