Calculate the circulation of the field F around the closed curve C.F = x2y3i + x2y3j; curve C is the counterclockwise path around the rectangle with vertices at 
, and 
A. - 252
B. -432
C. 0
D. 900
Answer: A
Mathematics
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? 
A. 
B. 
C. 
D. 
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A. (7, -11.5) B. (4.5, -11.5) C. (7, 4.5) D. (4.5, 11.5)
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Solve the problem.City A is due north of City B. Find the distance between City A (north latitude 35° 28' N) and City B 
Use 3960 miles as the radius of the Earth.
A. ?1590 mi B. ?1292 mi C. ?496 mi D. ?1559 mi
Mathematics