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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Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. 3x2 + 13x - 15 = 0
A. a = 3, b = -13, c = 15 B. a = 3, b = 13, c = -15 C. a = 3, b = -13, c = -15 D. a = 3, b = 13, c = 15
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Solve the equation and check your solution.-7x = 42
A. x = 1 B. x = -6 C. x = 49 D. x = -49
Mathematics
Simplify.15 + (-18) + 13 + (-3) + 8 + (-20)
A. -31 B. -77 C. 5 D. -5
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Solve the inequality.16x2 + 9 < 24x
A. 
B. 
C. No real solution
D. 
Mathematics