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The answer to your questions is B. {(4, 2), (4, –2), (9, 3), (9, –3)} because you don't have a repeat of a number the X side which is your output. I hope that this is the answer that you were looking for and it has helped you.
Answer: 
Step-by-step explanation:






We will use the Sine Law:

b = 5.001
Answer:
D) 5.0