you need to replace your break pads
Check your universal joints!
Check for a worn or loose drive belt.
it is called a squeaker it is made on your disck break pads to let you know your pads are about woren out as in its time for a break job
True
Possible failed u-joint.
Drive belt too loose!
because of the alternator drive belt loosing
Take the car to a mechanic or a mechanically inclined friend to take it for a test drive.
sounds like your drive axles are going bad.
it could be a bad universal joint.
Take your foot off the gas and apply it to the break. Then shift from park to either reverse or drive. That usually works.
It depends. High quality brakes can last a very long time if you drive your car properly and do not rabbit drive. If they are squeaking, you should have them checked out.