No.
You have to be at least 16 years old to legally drive a car in the USA.
Legally, if the company pays you for the totaled vehicle, it belongs to them. You can offer (if they don't) to by the scraps back. This would be deducted from your settlement and you would be paid the difference.
Legally, no.
Not legally
It is required to have liability car insurance to legally drive in Tennessee.
Yes, you can legally drive a rental car that is not in your name as long as you are listed as an authorized driver on the rental agreement.
you can't sue him if he had your permission to drive car. you need to collect from your insurance company. if you don't have insurance - you're outta luck.
Yes, you can legally drive someone else's rental car as long as you are listed as an authorized driver on the rental agreement.
Not if you notify you local PVA that the car is totaled and not longer in service. You will pay taxes up to the day it was totaled.
Yes, in most places, you need a valid driver's license to legally drive a car.
Yes, you need a driver's license to legally drive a car on public roads.
Usually it means that the cost of returning the vehicle to street-legal running condition would be higher than the cost of replacement (vehicle value when wrecked). Once a car is declared totaled it may not legally be registered and driven, and is supposed to be salvaged for parts.