Kara is a stunt driver. One day, during a stunt where she escaped from a cave about to collapse, she drove at a constant speed to get to the safe zone that was 160 meters away. After 3 seconds of driving, she was 85 meters away from the safe zone. Let y represent the distance, in meters, to the safe zone and x the time measured, in seconds. Which of the following represents the function as a linear equation?