Find the least common multiple.x2- 4x- 12, 3x- 18
A. 3(x + 2)(x - 6)
B. 3(x - 2)(x + 6)
C. 3(x - 2)(x - 6)
D. 3(x + 2)(x + 6)
Answer: A
Mathematics
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Represent the shaded area in the figure group with a mixed number.
A. 12
B. 3
C. 15
D. 3
Mathematics
Solve the inequality. Graph the solution set and write it in interval notation.3(4x - 3) + 27 ? 5x - 3
A. [3, ?)
B. (-?, -3] 
C. (-?, 3]
D. [-3, ?)
Mathematics
Convert to decimal notation.1.27 × 10-4
A. 0.00127 B. 0.0000127 C. 0.000127 D. -127,000
Mathematics
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.b = 12, c = 15
A. a = 3 B. a = 10 C. a = 9 D. a = 81
Mathematics