Write a general term an for the sequence. Assume that n begins with 1.
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
Answer: D
Mathematics
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Divide, if possible. Assume any variable in the denominator is nonzero.
A. Undefined B. 1 C. 0 D. 13
Mathematics
Write an expression that illustrates the quantity described.The actual speed of a boat that goes 13.5 miles per hour against a current of 3.1 miles per hour
A. 16.6 miles per hour B. 3.1 miles per hour C. 10.4 miles per hour D. 13.5 miles per hour
Mathematics
The region under the curve 
is rotated about the x-axis. Find the volume of the resulting solid. Select the correct answer.
Mathematics
Find the perimeter. Use 3.14 for ?.
A. 27.42 m B. 21.42 m C. 18.42 m D. 30.84 m
Mathematics