1.

The mean of 6, y, 7, x and 14 is 8. Then

A. \[x+y=13\]
B. \[x-y=13\]
C. \[2x+3y=13\]
D. \[{{x}^{2}}+{{y}^{2}}=15\]
Answer» B. \[x-y=13\]


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