What is the mean of \[x,\text{ }x+3,\text{ }x+6,\text{ }x+9\]and \[x+12\]?

What is the mean of \[x,\text{ }x+3,\text{ }x+6,\text{ }x+9\]and \[x+1

1.	What is the mean of \[x,\text{ }x+3,\text{ }x+6,\text{ }x+9\]and \[x+12\]?
A.	\[x+3\]
B.	\[x+6\]
C.	\[x+9\]
D.	\[x+12\]
Answer» C. \[x+9\]

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What is the mean of \[x,\text{ }x+3,\text{ }x+6,\text{ }x+9\]and \[x+12\]?

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