2001 Chevrolet Cavalier Just Recently Leased Car Shakes Badly Between 45 60 Mph

just recently leased a car car shakes badly between 45 and 60 mph and also when coming to a stop. also hear a constant rubbing noise that sounds as if coming from my front tires. now yesterday it started this obnoxiously loud ringing noise it doesnrt matter if your driving or at a standstill very random coming from the front somewhere