Provide an appropriate response.How large should n (n an integer) be chosen for Ln and Rn for the approximation of 
to be within 0.05 of the true value?
A. n ? 28
B. n ? 5
C. n ? 90
D. n ? 42
Answer: C
Mathematics
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Solve the problem.Two airplanes leave an airport at the same time, one going northwest (bearing 135°) at 410 mph and the other going east at 333 mph. How far apart are the planes after 4 hours (to the nearest mile)?
A. 687 mi B. 2,748 mi C. 2,288 mi D. 2,158 mi
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Does the graph represent a function that has an inverse function?
A. Yes B. No
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Solve the problem.A box has dimensions 2" × 3" × 4". (See illustration.) 
Determine the angle ? formed by the diagonal of the 2" × 3" side and the diagonal of the 3" × 4" side. Round your answer to the nearest degree.
A. 62° B. 65° C. 60° D. 50°
Mathematics
Find the value of the expression 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics