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 = 75.3 - 0.329x
B. y = 10.7 + 1.53x
C. y = 2.36 + 2.03x
D. y = 5.05 + 1.91x
Answer: D
Mathematics
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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x4 + 4x3 + 125x + 500
A. (x + 4)(x + 5)(x2 - 5x + 25) B. (x + 4)(x3 + 125) C. Prime D. (x + 4)(x - 5)(x2 + 5x + 25)
Mathematics
Determine whether the following is a trinomial square.x2 - 10x + 100
A. No B. Yes
Mathematics
Use the given conditions to write an equation for the line in the indicated form.Passing through (5, 4) and parallel to the line whose equation is 
;slope-intercept form
A. y = - 2x - 13
B. y = 
x - 
C. y = - 
x - 
D. y = - 
x + 
Mathematics
Find the slope of the line.
A. -1 B. 1 C. 0 D. undefined
Mathematics