Calculate the arc length of the indicated portion of the curve r(t).r(t) = 4ti + 
j + 
k; -10? t ? -1
A. -55
B. -275
C. 225
D. 45
Answer: D
Mathematics
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Determine whether there is sufficient information for solving a triangle, with the given combination of angles and sides, by the law of sines.A, c, and a
A. Yes B. No
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Multiply. Simplify the answer completely.- 
? 
A. 
B. - 
C. - 
D. 
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Determine whether the sequence is geometric.4, 12, 36, 108, 324, . . .
A. Geometric B. Not geometric
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