Answer:
<em>D.) 6 </em>
Step-by-step explanation:
<em>-3+2*6=9</em>
6x, 2x + 4, 5y + 11
x + x + x + 2x + x = 6x
(x + 2) + (x + 2) = 2x + 4
y + y + y + y + 10 + y + 1 = 5y + 11
y = y coordinate
m = slope
x = x coordinate
b = y intercept
