Find the flux of the curl of field F through the shell S.F = 4yi + 2xj + cos(z)k ; S: r(r,?) = 4 sin ? cos ?i + 4 sin ? sin ?j + 4 cos ?k, 0 ? ? ? 2? and 0 ? ? ? 
A. -32
B. 64?
C. -32?
D. -64?
Answer: C
Mathematics
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Subtract and simplify.
- 
A. 
B. 
C. 
D. 
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Provide an appropriate response.When using sum-of-the-years-digits method, the first year's depreciation should be the:
A. smallest B. same as any other year C. largest D. cost times a fraction
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
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Rationalize the denominator. Assume variables represent non-negative values.
A. 
B. 5
C. 
D. 9
Mathematics