Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(x + 5)(x - 4)(x - 5) < 0
A. (-?, -5) ? (4, 5)
B. (-5, 4) ? (5, ?)
C. (-?, 4)
D. (5, ?)
Answer: A
Mathematics
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Solve the polynomial inequality and graph the solution set on a number line.x2 - 6x + 8 > 0
A. (-?, 2)
B. (2, 4)
C. (4, ?)
D. (-?, 2) ? (4, ?)
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Use a calculator to find an approximate solution to the equation. 
x = 18
A. -6.000 B. 2.631 C. -2.631 D. -0.380
Mathematics
Evaluate the expression for the given values.
x = 1; y = -1
A. -5
B. - 
C. - 
D. -3
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 54
C. 5
D. 
Mathematics