Add or subtract as indicated. Write your answer in the form a + bi.(10 + 8i) - (8 + 8i) + (1 + 9i)
A. 1 - 9i
B. 3 + 25i
C. 3 + 9i
D. 1 + 9i
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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A. 
B. 85
C. 17
D. 
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