Calculate the arc length of the indicated portion of the curve r(t).r(t) = 
t3/2i + (4t sin t)j + (4t cos t)k ; -3 ? t ? 7
A. 120
B. 248
C. 200
D. 132
Answer: A
Mathematics
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A. x
B. x12
C. 
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Change the mixed number to an improper fraction.6
A. 
B. 
C. 
D. 
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Identify any vertical asymptotes in the graph.
A. x = 2, x = -4 B. x = -2, x = 4 C. None D. x = 1, x = -1
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Solve the problem.Ted runs a shoe store. The equation g = n + r expresses the relationship between gross sales (g), net sales (n), and returns (r). What were Ted's net sales if his gross sales were $5600 and his returns were $1600?
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