Round as indicated.19,724,419 to the nearest million
A. 19,000,000
B. 19,724,000
C. 20,000,000
D. 19,800,000
Answer: C
Mathematics
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A. {-2} B. {-3, 2} C. {3, -2} D. {2}
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A. 
B. 9
C. 
D. 9
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Solve the problem.Find the supplementary angle to ? = 131.4°.
A. 48.6° B. 491.4° C. -41.4° D. 311.4°
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Provide an appropriate response.Explain why the sum 
+ 
- 
can be simplified quickly.
What will be an ideal response?
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