Simplify the expression.
?

?
A. 4
B. 16
C. 24
D. 6
E. none of these
Answer: A
Mathematics
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Classify the number as one or more of the following: natural number, whole number, integer, rational number, or real number. (Fraction of 9- to 10- year-old children at a day camp )
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State the phrase as a mathematical expression. Use x to represent the variable.The difference between twelve times a number and twelve
A. 12 - x + 12 B. 12 - 12x C. 12 + 12x D. 12x - 12
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