Amap shows two roads. road a is 1.5 miles long but is 1.875 inches long in the map. what is the unit rate for inches per mile on this map. if road b is 8 miles long, how long is road b on the map?

i don't think there is enough

d

step-by-step explanation:

the two points from this line are   (0,4)   & (2,-2)

we can call

now, lets find the slope (m):

now finding b (the y intercept). this is the point at the y-axis where the line cuts the axis. looking at the graph, it is y = 4. so the point is 4. hence b = 4

the slope-intercept form is given by  

putting the points, we have:

d is the correct answer.