Expand, where i2 = -1.(-1 + i
)3
A. 8
B. 1
C. -1 - 3i
D. 4 + 4i
Answer: A
Mathematics
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Determine whether the graph is connected or disconnected.
A. Connected B. Disconnected
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Choose the most reasonable unit of measure.Paperback book height: 24 
(mm, cm, m, km)
A. km B. mm C. cm D. m
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Solve the formula for the specified variable.Solve: D = 
(mx - mb) for m
A. m = 
B. m = 
C. m = 
D. m = 
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