Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results.
A. y = 5.05 + 1.91x
B. y = 2.36 + 2.03x
C. y = 75.3 - 0.329x
D. y = 10.7 + 1.53x
Answer: A
Mathematics
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Subtract. Write the answer in lowest terms.
- 
A. 18
B. 
C. 
D. 
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Use Cramer's rule to solve the system of linear equations. 8x - 7y = -63 4x + 4y = 36
A. (-9, 0) B. (0, -9) C. (9, 0) D. (0, 9)
Mathematics
Determine the limit algebraically, if possible.
x2 cot x2
A. 0 B. Does not exist C. 1 D. 2
Mathematics
Tell whether correlation is being used correctly. Identify any statistical errors.The correlation coefficient for the data shown in the scatter plot is close to -1 so the slope of the regression equation that goes through the points will be close to -1. 
What will be an ideal response?
Mathematics