Solve the problem.During the last four months of a recent year, Annie's Natural Food Store reported the following sales.September$3,346October$2,220November$3,511December$2,793What were the total sales over this period?
A. $11,870
B. $11,880
C. $11,970
D. $11,980
Answer: A
Mathematics
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where R is the interior of the ellipsoid 
. Hint: Let 
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A. 90?2 B. 120? C. 120?2 D. 90?
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A. True B. False
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Suppose a pair of dice is thrown 11 times. What is the probability that a sum of 10 occurs exactly 4 times? Round your answer to six decimal places. ?
A. 0.022053 B. 0.043112 C. 0.071062 D. 0.008655 E. 0.103840
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Find the value of df-1/dx at x = f(a).f(x) = x2 - 4x + 1; a = 5
A. 
B. 6
C. 
D. 
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