Evaluate the line integral of f(x,y) along the curve C.f(x, y) = cos x + sin y, C: y = x, 0 ? x ? 
A. 
B. 0
C. 2
D. 2
Answer: C
Mathematics
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Rewrite the statement in the form "if p, then q".A regular hexagon is a six-sided figure .
A. If the figure is a regular hexagon, then it is a six-sided figure. B. If the figure is not a regular hexagon, then it is not a six-sided figure. C. If the figure is a six-sided figure, then it is a regular hexagon. D. If the figure is a regular hexagon, then it is not a six-sided figure.
Mathematics
Find the sum of the series.
A. 
B. - 
C. - 2
D. 22
Mathematics
Find the exact circumference of the circle in terms of ?.
A. 44.3? cm B. 88.6? cm C. 1936.9? cm D. 22? cm
Mathematics
Simplify.0 - 
A. 16
B. 
C. 6
D. 
Mathematics