Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
A. 
B. 
- 
i
C. 
+ 
i
D. 
i
Answer: C
Mathematics
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A. (0, 3) B. (0, -3) C. (-3, 0) D. (3, 0)
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|34 in|
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Evaluate the given binomial coefficient.
A. 9
B. 10
C. 
D. 1
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Disprove the following statement by finding a counterexample.
For all sets A, B, and C, A ? (B ? C) ? (A ? B) ? C.
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