Find the equation of the least squares line.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. 
A. y = -67.3 + 1.07x
B. y = 67.3 + 1.07x
C. y = 33.7 + 2.14x
D. y = 33.7 - 2.14x
Answer: B
Mathematics
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. Select a possible graph f that passes through the point P.f'?f"
?
A. 
B. 
C. 
D. 
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Simplify the expression.
÷ 
A. x + 3
B. 
C. 
D. 
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A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics