Find the least common denominator of the rational expressions.
and 
A. x(x + 7)2
B. x(x + 6)2(x - 1)
C. x(x + 7)(x - 1)
D. x(x + 6)(x - 1)
Answer: D
Mathematics
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Multiply.-4a3x9(12a7x9 + 5x6 - 12a)
A. -48a7x9 - 20x6 + 48a B. -48a10x18 + 5x6 - 12a C. -48a10x18 - 20a3x15 - 12a D. -48a10x18 - 20a3x15 + 48a4x9
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Provide an appropriate response.True or False? 15 is divisible by 3.
A. True B. False
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Divide, if possible. If a quotient is undefined, state so.
A. -5 B. Undefined C. 0 D. 1
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Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest hundred. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 52,600 ; yes B. Estimate: 52,500 ; yes C. Estimate: 52,600 ; no D. Estimate: 52,500 ; no
Mathematics