Multiply, then simplify the product. Assume that all variables represent positive real numbers.(
+ 
)(
+ 
)
A. 
+ 
+ 
+ 
B. 
+ 
+ 7 + 
C. 
+ 
+ 49 + 
D. 
+ 
+ 8 + 
Answer: B
Mathematics
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Evaluate the expression.
3
A. 
B. 3
C. 
D. 
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Solve the problem.Mel plans to fence his yard for his new puppy. The yard is a 25 feet by 96 feet rectangle. Fencing costs $13 per 10 feet section. What is the cost of the fence?
A. $65.00 B. $314.60 C. $629.20 D. $157.30
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Find all square roots of the number.
A. - 
, 
B. - 
, 
C. - 
, 
D. - 
, 
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Determine the intervals of the domain over which the function is continuous.
A. (-?, ?) B. (-?, -2] C. (-2, ?) D. (-?, -2); (-2, ?)
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