Simplify. Express in terms of i.
A. -2
B. -2i
C. 2i
D. 2
Answer: C
Mathematics
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Perform the indicated operation.Add (6a5 + 2a4) and (3a5 + 5a4).
A. 9a10 + 7a8 B. 9a5 + 7a4 C. 16a9 D. 16a18
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Classify the number as prime or composite.53
A. Prime B. Composite
Mathematics
Solve the problem.The graph shows the total sales in thousands of dollars from the distribution of x thousand catalogs. Find the average rate of change of sales with respect to the number of catalogs distributed for the change in x.
10 to 20
A. 1
B. 
C. 2
D. 
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Find the reciprocal.
A. 
B. 
C. 
D. 
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