Solve the problem.If sin x is replaced by 
and |x| < 0.5, what estimate can be made of the error?
A. |E| < 0.000003100
B. |E| < 0.000021701
C. |E| < 0.000010851
D. |E| < 0.000001550
Answer: D
Mathematics
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Subtract.
A. 14.1 B. 13.5 C. 12.9 D. 4.3
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In a recent election involving three candidates, 20% of the voters preferred candidate A to C and C to B. Forty percent preferred candidate C the most and A the least. The other 900 voters preferred B the most and A the least.How many people voted in this election?
A. 4500 B. 2250 C. 1800 D. 900 E. none of these
Mathematics
Answer the question. Give your answer in simplest form.For lunch, Jamie bought a 8-inch submarine sandwich. What fraction of a foot was Jamie's sandwich? (1 foot = 12 inches)
A. 
ft
B. 
ft
C. 
ft
D. 
ft
Mathematics
Divide and simplify.
A. 2 B. 2x C. 5x D. 5
Mathematics