Calculate the circulation of the field F around the closed curve C.F = xy2i + x2yj; curve C is the counterclockwise path around C1 ? C2 : C1: 
0 ? t ? ?C2: r(t) = ti , -7 ? t ? 7
A. 7
B. 0
C. 98
D. 49
Answer: B
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Determine the truth of the premises, discuss the strength of the argument, and assess the truth of the conclusion.Premise: Baseball, football, basketball, golf, hockey, and tennis are all played with a ball.Conclusion: All sports are played with a ball.
What will be an ideal response?
Provide an appropriate response. A warehouse has a stack of boxes that are all the same size and the entire stack measures 42 feet. If each box is 2 feet 4 inches tall, how many boxes are in the stack?
A. 24 boxes B. 2 boxes C. 36 boxes D. 18 boxes
Provide an appropriate response.Find the measure of ?1 if ?8 = 138°.
A. 90° B. 42° C. 100° D. 138°
Factor the sum of cubes.512s3 + 216t3
A. (12s + 6t)(64s2 + 36t2) B. (8s + 6t)(64s2 + 48st + 36t2) C. (8s + 6t)(64s2 - 48st + 36t2) D. (8s - 6t)(64s2 + 48st + 36t2)