Simplify. Express in terms of i.9 + 
A. 9 - 3i
B. 12 + i
C. 6
D. 9 + 3i
Answer: D
Mathematics
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Convert.8.53 meters = _____ hectometer
A. 0.853 B. 0.0853 C. 85.3 D. 853
Mathematics
Simplify, if possible.
A. 
B. 
C. x + 5
D. 
Mathematics
Identify the domain of f. Write your answer in set-builder notation.f(x) = 
A. {x|x ? -24, x ? 1} B. {x|x ? 8, x ? -3} C. {x|x ? -8, x ? 3} D. {x|x ? -8, x ? 3, x ? 13}
Mathematics
Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics