Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 5, x = -5
B. x = 
C. x = 25
D. x = 5
Answer: A
Mathematics
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$13,000 at 2% compounded annually for 3 years
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Answer the question.What value of n will make xn a perfect cube?
A. n must be a multiple of 3. B. n must be a multiple of 2. C. It is not possible for any n. D. n must be a multiple of 5.
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Solve the equation by first clearing the fractions.
(r + 6) = 
(r + 8)
A. {-4} B. {-12} C. {4} D. {3}
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Solve the problem.The appliance store where the Scott family shops offers a 9% discount for paying cash. The Scott family received a discount of $57. What was their total bill before the discount?
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Mathematics