Find the equation of the least squares line.Two different tests are designed to measure employee productivity and dexterity. Several employees of a company are randomly selected and asked to complete the tests. The results are below. 
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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A. 
B. 
C. 
D. 
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Evaluate the requested trigonometric function using the information given. cos ? = 
; 0 < ? < ?/2Find sec ?.
A. 
B. 2
C. 
D. -2
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Solve the equation.ln 2x + ln 6x = ln 13
A. 1
B. 0
C. 
1/2
D. 
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Decompose into partial fractions.
A. 2x - 9 + 
- 
B. 2x - 9 - 
+ 
C. 2x + 5 - 
+ 
D. 2x + 9 - 
+ 
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