Answer:
The intercept is 5.
Step-by-step explanation:
Since we already have the slope of -1/6, we can use that and either point in point-slope form to get the equation in slope-intercept.
y - y1 = m(x - x1)
y - 3 = -1/6(x - 12)
y - 3 = -1/6x + 2
y = -1/6x + 5
Therefore, b= 5