Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.
A. Irrational, 8.000
B. Rational, 8.000
C. Not a real number
D. Rational, 4
Answer: D
Mathematics
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Write the phrase as a mathematical expression. Use x as the variable.The sum of 8.66 and x
A. 8.66x B. 8.66 - x C. 8.66 + x D. 8.66
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Find the general term 
of the sequence.
?
What will be an ideal response?
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Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
The area under a normal curve between the scores for 
and 
is ______.
A. 0.6290 B. 0.2258 C. 0.1774 D. 0.4032
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