Graph the parabola.x2 = -9y
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve.(7x - 5)(7x - 1) = 0
A. 
, 
B. - 
, - 
C. 
, 
D. 
, 
Mathematics
Determine the equation of variation.
A. y = 
B. y = 3x
C. y = 2.5x
D. y = 2x
Mathematics
Solve the problem.Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results. 
Find the regression line y = mx + b.
A. y = 2.03x + 2.36 B. y = - 0.329x + 75.3 C. y = 1.91x + 5.05 D. y = 1.53x + 10.7
Mathematics
Simplify. Express in terms of i.
A. -7
B. 7i
C. 7
D. -7i
Mathematics