Find the correlation coefficient.The following are costs of advertising (in thousands of dollars) and the number of products sold (in thousands): 
A. 0.7077
B. 0.2353
C. 0.2456
D. -0.0707
Answer: A
Mathematics
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Evaluate the improper integral or state that it is divergent. 
A. 2
2
B. 4 ln
C. 4 ln 
D. 4 ln 2
Mathematics
Use the appropriate identity to find the indicated function value. Rationalize the denominator, if applicable. If the given value is a decimal, round your answer to three decimal places.csc ?, given that sin ? = 
A. 
B. 
C. 
D. 
Mathematics
For the compound inequality, give the solution set in both interval and graph forms.x < 2 or x < 7
A. (-?, 7)
B. (-?, 2) ? (7, ?)
C. (2, 7)
D. (2, ?)
Mathematics
Arrange in order from smallest to largest.6.09, 6.9, 6.099, 6.999
A. 6.099, 6.09, 6.999, 6.9 B. 6.09, 6.099, 6.9, 6.999 C. 6.999, 6.9, 6.099, 6.09 D. 6.09, 6.9, 6.099, 6.999
Mathematics