Find the least common denominator.
, 
, 
A. 8(r + 5)2
B. r(r + 5)2
C. 8(r + 5)
D. 8r(r + 5)2
Answer: D
Mathematics
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A. discontinuous only when ? = 0
B. discontinuous only when ? = ?
C. continuous everywhere
D. discontinuous only when ? = 
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Express the number in scientific notation.870,000
A. 8.7 × 105 B. 8.7 × 104 C. 8.7 × 10-4 D. 8.7 × 10-5
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Multiply.-8(5)(-3)
A. -6 B. -43 C. -120 D. 120
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Graph the numbers on a number line.-8, -6, -4, -2
A. 
B. 
C. 
D. 
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