approaching an incline
That depends on the country in which you live. Some countries drive on the left, others drive on the right and this will affect which side you pass another vehicle.
Never. The only time you can pass another vehicle on the right is if there is a lane on that side you can go into to pass it.
No. If the vehicle you are passing is going at the correct speed, why should you need to overtake. When overtaking a vehicle you should ensure there is enough clear road ahead of you to pass the vehicle without over speeding. If this is not the case you should not attempt an overtaking manoeuvre.
pass another vehicle.
Less than 1/4 mile
whichever vehicle was the one traveling uphill
In practice, It is acceptable to increase the speed of your vehicle over the legal speed limit to pass or overtake another vehicle. Legally, it is not permitted. If the other vehicle is already at the speed limit, you should not be passing it. If it were a police car you were passing, at any speed above the speed limit, they could stop you.
You can, but you may not!
100
To pass, you need to be in a passing zone. There should be a clear view of the road ahead and enough time to pass before meeting oncoming cars.
To pass, you need to be in a passing zone. There should be a clear view of the road ahead and enough time to pass before meeting oncoming cars.