The answer should actually be option B)
hope this helped and please vote me brainiest
Answer:
<em>Hi there!</em>
<u><em>For 1. it should be answer b</em></u>
<u><em>For 2. it would be answer c</em></u>
<u><em>For 3. it is answer a</em></u>
<em>Hope I Helped!</em>
Solving the expression
we get 
So, Option A is correct.
Step-by-step explanation:
We need to solve the expression: 
Multiplying and dividing by 2-3i

So, solving the expression
we get 
So, Option A is correct.
Keywords: Complex numbers
Learn more about Complex numbers at:
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Answer:
0.75 is it the answer
Step-by-step explanation:
Answer:
x=40 degrees
Step-by-step explanation:
a triangle is a total of 180 degrees. 180-120-20=40