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 $5000. 
A. 69.75 products sold
B. 76.45 products sold
C. 14,005.8 products sold
D. 66.75 products sold
Answer: A
Mathematics
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Write the decimal number in standard form.Three hundred ninety-one thousandths
A. 0.391 B. 0.0391 C. 300.91 D. 0.00391
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Evaluate the polynomial for the given value of the variable.2x3 + 4x2 + 14; x = -4
A. -60 B. -62 C. -130 D. -50
Mathematics
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant B to pollutant C.
A. 
B. 
C. 
D. 
Mathematics
Determine algebraically whether the function is even, odd, or neither.f(x) = -5x2 - 8
A. even B. odd C. neither
Mathematics