Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = -6.8x + 150.7
B. y = -6.2x + 140.4
C. y = 6.2x - 140.4
D. y = 6.8x - 150.7
Answer: B
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A. 
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C. 7, -7
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