Answer:
-2.59x10^15
Step-by-step explanation:
Y intercept is where the line meets the Y axis
So the points shd be in (0,y) form.
So (0,0) (0,-7) (0,-0.25) are the y-intercepts in the following.
60 would be the interior angle of angle 3 however angle 3 is the exterior angle so it is 360-60=300