yes it is perfectly legal to drive a car wearing a cap as long as it is not obstructing your vision of the road. I dont know, "Can YOU drive wearing a cap"?.
It is not legal to drive a car without a windshield in this state.
Yes, it is legal.
no there is no legal age to buy a car there is a legal age to drive though
Yes, it is legal to drive a car and talk at the same time. You can talk to someone in the car and not on a phone.
yes
It is legal to drive with anything as long as it doesn't interfere with driving.
You can but it wouldn't be legal.
Sure.
yes
Yes, it is legal to drive a Mexican car in the US as long as the vehicle meets all the necessary requirements and regulations for driving in the country.
you can at the same time as any other car