Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = 2yi + yj + zk; C: the counterclockwise path around the boundary of the ellipse 
+ 
= 1
A. 20?
B. -40
C. 40?
D. -40?
Answer: D
Mathematics
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Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x < 90 - x2 
A. (-?, 9) ? (10, ?)
B. (-10, 9)
C. (-?, -10) ? (9, ?)
D. (-9, 10)
Mathematics
Convert the given polar coordinates of the point to rectangular coordinates.
A. 
B. 
C. 
D. 
Mathematics
Evaluate.(10 - 4)!
A. 40 B. 120 C. 720 D. 3,628,800
Mathematics
Use the graph to solve the problem.The graph shows the relationship between the area A of a rectangle and the length L, if the width is fixed. Find the area if the length is 5 cm.
A. 45 cm2 B. 75 cm2 C. 15 cm2 D. 30 cm2
Mathematics