Evaluate.x - y, where x = 18.122 and y = -8.64
A. 9.482
B. -9.582
C. 26.762
D. 10.482
Answer: C
Mathematics
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Solve.On the morning of December 19 the temperature was -4°F. The next morning the temperature had risen 14°F. What was the temperature on the morning of December 20?
A. -10°F B. 18°F C. -18°F D. 10°F
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Identify the number as prime, composite, or unit.73
A. Unit B. Composite C. Prime
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Simplify the complex fraction. 
A. 8
B. 
C. 
D. 
Mathematics
Add or subtract as indicated and write the result in standard form.(9 + 9i) - (-6 + i)
A. 15 + 8i B. -15 - 8i C. 15 - 8i D. 3 + 10i
Mathematics