Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (4 + 2t)i + (8 + 3t)j + (3 - 6t)k
A. 7t
B. 5t
C. 8t
D. 9t
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Graph the function.y = -6 csc 
A. 
B. 
C. 
D. 
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Solve the sales tax problem.The sales tax on the purchase of a van is $1901.65. If the tax rate is 7.3%, find the purchase price. Round to the nearest cent.
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