Estimate the answer by rounding as indicated.Estimate by rounding to the leftmost digit.
A. 300
B. 210
C. 200
D. 212
Answer: A
Mathematics
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Find the limit.
A. -7 B. ? C. -9 D. 0
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Round the whole number to the given place.7143 to the nearest thousand
A. 7000 B. 7100 C. 8000 D. 6900
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Graph the linear inequality.4x - 3y ? 0
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = 
, 0 < ? < 
and cos ? = 
, 0 < ? < 
, find the exact value of cos (? + ?).
A. - 
B. 
C. - 
D. 
Mathematics