Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Use the equation of the least squares line to predict the number of products sold if the cost of advertising is $9000. 
A. 25,165.8 products sold
B. 87.61 products sold
C. 77.91 products sold
D. 80.91 products sold
Answer: D
Mathematics
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Provide an appropriate response.Find the difference in the area of a circle circumscribed about a square with sides of 10 cm and the area of the circle inscribed inside the same square. 
A. 2.36 cm2 B. 4.71 cm2 C. 3.14 cm2 D. 78.54 cm2
Mathematics
Write the partial fraction decomposition of the rational expression.
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?
A. 
B. ?
C. 
D. 
E. 
Mathematics
Set up a definite integral that represents the shaded area.y = f(x)
A. 
B. 
C. 
D. 
Mathematics
Use Euler's method with n = 5 on the interval 0 ? t ? 
to approximate the solution 
Is the following the correct answer? 
Enter "yes" or "no".
Fill in the blank(s) with the appropriate word(s).
Mathematics