Y would be 81 because 9x9
X would be 16...
If the question is 81-16 then it equals 65
The answer is C
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X+X+2+X+4 = 3X + 6 = 126
3X = 126-6 = 120
X = 120/3 = 40
X = 40
X+2 = 42
X+4 = 44
The slope is 3, and the y-intercept is 9