Find the equation of the least squares line.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below. 
A. y = 2.81 + 1.35x
B. y = 92.3 - 0.669x
C. y = 11.7 + 1.02x
D. y = -47.3 + 2.02x
Answer: C
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, and 
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Convert.2,700,000 cm = _____ km
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