Find the flux of the vector field F across the surface S in the indicated direction.F = -5i + 7j + 1k , S is the rectangular surface z = 0, 0 ? x ? 6, and 0 ? y ? 6, direction k
A. -180
B. 0
C. 36
D. 252
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Solve.Find an equation of an ellipse with vertices (0, -7) and (0, 7) and eccentricity equal to 
.
What will be an ideal response?
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Give the domain and range of the relation.
A. domain: [0, ?); range: (-?, ?) B. domain: [0, ?); range: [-3, ?) C. domain: (-?, ?); range: [-3, ?) D. domain: [0, ?); range: [0, ?)
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Solve the problem.What is the cost, in dollars, of 15.6 gallons of gasoline at 153.9 cents per gallon? Round your answer to the nearest cent.
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