Evaluate the integral 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: C
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State which type of average, the mean, median, or mode, would be most appropriate in the situation described. Explain your thinking.An engineer has designed an elevator and wishes to determine the maximum number of people that will be allowed to ride in the elevator at a time. In order to do this, the engineer needs to know the average weight of the people likely to ride in the elevator. Which type of average would be the most useful?
What will be an ideal response?
Solve the problem.A reservation clerk worked 12.15 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 4.05 hours B. 10.8 hours C. 5.4 hours D. 2.7 hours
Find the work done by F over the curve in the direction of increasing t.F = xyi + 3j + 5xk; C: r(t) = cos 2ti + sin 2tj + tk, 0 ? t ? 
A. W = 0
B. W = 
C. W = 
D. W = 
Find the solution(s) (if any) of the system of equations by the graphical method. If the equations are dependent, write your answer with x being arbitrary.
A. 
B. 
C. inconsistent
D. {(1, 1)}