Find the flux of the curl of field F through the shell S.F = (7 - y)i + (4 + x)j + z2k; S is the upper hemisphere of x2 + y2 + z2 = 49
A. 98?
B. -4?
C. 2?
D. 196?
Answer: A
Mathematics
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Find the center of the ellipse. 25(x - 6)2 + 9(y - 4)2 = 225
A. (-6, -4) B. (4, 6) C. (6, 4) D. (25, 9)
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The following table is generated from a linear function 
. Fill in the missing data points. Be careful: The data are not evenly spaced. Round your answer to two decimal places, if necessary.
x 3 10 15 23 y 16.37 90.77
What will be an ideal response?
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Multiply or divide as indicated.
÷ 
A. 
B. x + y
C. 
D. x - y
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Find the surface area of a rectangular box with length L, width W, and height H.L = 3 ft, W = 2 ft, H = 5 ft
A. 31 ft2 B. 52 ft2 C. 44 ft2 D. 62 ft2
Mathematics