Respuesta :

y-intercept -is a little higher than 17, best what we can see 17.2
To find slope we can choose 2 points that are on the line.
For example, (180, 10) and (30, 16)
slope = (y2-y1)/(x2-x1)=(16-10)/(30-180)=6/(-150)= - 0.04

y= - 0.04x+17.2