Use the multiplication property of inequality to solve the inequality and graph the solution set on a number line.
? -4
A. [-20, ?)
B. (-20, ?)
C. (-?, -20]
D. (-?, -20)
Answer: C
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Divide.
÷ 
A. 
B. - 
C. - 
D. 
Solve the problem.A small computing center has found that the number of jobs submitted per day to its computers has a mean of 66 jobs and a standard deviation of 5. Where do we expect the number of jobs per day to fall most of the time (95.4%)?
A. between 61 and 71 jobs per day B. between 51 and 81 jobs per day C. between 56 and 81 jobs per day D. between 56 and 76 jobs per day
Find an equation for the line with the given properties.Perpendicular to the line y = -9; containing the point (5, 4)
A. y = 5 B. y = 4 C. x = 5 D. x = 4
Find the characteristic equation of the given matrix.A = 
A. (8 - ?)(-1 - ?)(5 - ?)(2 - ?) = 0 B. (8 - ?)(3 - ?)(-6 - ?)(-5 - ?) = 0 C. (2 - ?)(-1 - ?)(-6 - ?)(-5 - ?) = 0 D. (-5 - ?)(-6 - ?)(-1 - ?)(2 - ?) = 0