You are driving down a two-lane road at 45 mph. The oncoming vehicle�s right wheels drop off the pavement. The most likely occurrence is...

a)The vehicle will enter your lane

Explanation:

The complete question is

You are driving down a two-lane road at 45 mph. The oncoming vehicle's right  wheels drop off the pavement. The most likely occurrence is...

a)The vehicle will enter your lane

b)The vehicle will continue on the shoulder of the road.

c)The vehicle will spin out and hit a tree.

d)The vehicle will return smoothly back onto the road.

The dropping off of the oncoming vehicle's right wheel off the pavement will force the driver to overturn to the left towards you, and this might lead to the vehicle entering your own lane.

50 inches should be the resultant vector