Find the curvature of the space curve.r(t) = 12ti + 
j + 
k
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Answer: B
Mathematics
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Find the flux of the curl of field F through the shell S.F = (x-y)i + (x-z)j + (y-z)k; S is the portion of the cone z = 4
below the plane z = 5
A. 
B. 
?
C. - 
?
D. - 
?
Mathematics
Compare the decimal numbers, and insert <, >, or = to form a true statement.0.31 
0.32
A. = B. > C. <
Mathematics
Solve the problem.For a circle of radius 4 feet, find the arc length s subtended by a central angle of 60°. Round to the nearest hundredth.
A. 4.25 ft B. 4.35 ft C. 4.40 ft D. 4.19 ft
Mathematics
Factor completely.x2 + 5x - 36
A. (x - 9)(x + 1) B. (x - 9)(x + 4) C. (x + 9)(x - 4) D. prime
Mathematics