Solve the inequality. Express your answer using interval notation. Graph the solution set.|x + 2| + 4 ? 8
A. (-?, -6] ? [2, ?)
B. [2, ?)
C. [-6, 2]
D. (-6, 2)
Answer: A
Mathematics
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Solve the system using Cramer's Rule. If D = 0, use another method to complete the solution.-5x + 25 = -5y3x + 2y = 20
A. {(5, 2)} B. {(6, 1)} C. ? D. {(6, 2)}
Mathematics
Evaluate the determinant.
A. -90 B. 90 C. 66 D. -114
Mathematics
Determine whether the given linear equations are parallel, perpendicular, or neither.y = -5x - 10y = 
x + 15
A. parallel B. perpendicular C. neither
Mathematics
Solve the equation.log28 = x
A. {16} B. {10} C. {3} D. {4}
Mathematics