Solve.If the mass of an object is 1.04493 × 10-8 tons and its volume is 5.71 × 10-4 cubic feet, find the density of this object. (Use the formula D = 
and round to the nearest hundredth, if necessary.)
A. 18.3 × 10-5 tons per cubic foot
B. 1.83 × 10-5 tons per cubic foot
C. 1.83 × 10-4 tons per cubic foot
D. 1.83 × 10-6 tons per cubic foot
Answer: B
Mathematics
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Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $671 B. $468 C. $549 D. $590
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Answer the question.Explain how to construct a parallelogram with exactly three right angles. If it is not possible, explain why.
What will be an ideal response?
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Find the eigenvalues and the corresponding eigenvectors 
What will be an ideal response?
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Divide.
A. x + 6 + 
B. x2 + 6x + 
C. x + 6 + 
D. 
- 
+ 
+ 
Mathematics