Find the domain of the rational expression. 
A. {x|x is a real number and x ? 8 and x ? -5}
B. {x|x is a real number and x ? 8 and x ? 5}
C. {x|x is a real number and x ? 8 and x ? -8 and x ? -5}
D. {x|x is a real number and x ? 8 and x ? -8 and x ? 5}
Answer: D
Mathematics
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Solve the equation by completing the square.2x2 + 12x = -5
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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Solve. When necessary, round answers to two decimal places.Rope sells for 5¢ per inch at the local hardware store. If Sylvia needs 3
feet of this rope, how much money will she spend?
A. $1.92 B. $192.00 C. $0.16 D. $38.40
Mathematics
Perform the indicated operations.
- 
+ 
A. 
B. 
C. 
D. 
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Combine like terms.16.7x - 3.5 - 9.9x + 13
A. 7.8x + 9.5 B. 6.8x + 10.5 C. 6.8x + 9.5 D. 16.3x
Mathematics