Solve the problem using your calculator.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). What is the correlation coefficient?
A. 0.246
B. 0.235
C. 0.708
D. -0.071
Answer: C
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. Divergent
B. - 
C. 
D. 
Mathematics
Find the y-intercepts for the parabola whose equation is given. If the y-intercepts are irrational, round your answers to the nearest tenth.y = x2 + 4x - 7
A. y-intercept (0, -12) B. No y-intercept C. y-intercept (0, -7) D. y-intercept (0, 7)
Mathematics
Match the graph to its equation.
A. 
+ 
= 1
B. - 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Divide.
A. y + 
B. y2 + 8
C. y + 8
D. y - 8
Mathematics