Find the least common denominator of the rational expressions.
and 
A. -3(x + 1)(x - 5)
B. -3(x + 1)(x + 5)
C. -3(x - 1)(x - 5)
D. -3(x - 1)(x + 5)
Answer: C
Mathematics
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Convert to exponential notation.
A. 
B. m2/9
C. m9/2
D. -m9/2
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Write the standard form of the equation of the circle. 
A. (x + 2)2 + (y + 3)2 = 25 B. (x - 3)2 + (y - 2)2 = 25 C. (x - 2)2 + (y - 3)2 = 25 D. (x + 3)2 + (y + 2)2 = 25
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Find the part.5000% of 128 universities
A. 6400 universities B. 640,000 universities C. 640 universities D. 64,000 universities
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Write the decimal as a percent.4.00
A. 0.04% B. 0.4% C. 400% D. 40%
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