Determine the quadrant containing ?.tan ? > 0 and sec ? > 0
A. I
B. II
C. III
D. IV
Answer: A
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Solve the problem.In a complete graph with n vertices there is a total of
A. 
n(n + 1) edges.
B. 
n(n - 1) edges.
C. n(n - 1) edges.
D. n(n + 1) edges.
E. none of these
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The normal monthly precipitation (in inches) for August is listed for 12 different U.S. cities.3.51.62.43.74.13.91.03.64.23.43.72.2Compute the standard deviation.
A. 1.09 B. 1.05 C. 12.03 D. 1.00
Suppose that Nora invested $400 at 6.25% compounded annually for 8 years and Patti invested $400 at 6% compounded quarterly for 8 years. At the end of 8 years, who will have the most money and by how much (to the nearest dollar)?
A. Patti by $6 B. Nora by $3 C. Patti by $3 D. Nora by $6 E. They will have equal amounts of money.
Rationalize the denominator.
A. -1
B. 
C. 
D. 