When a driver performs an emergency braking maneuver, both the driver's reaction time and deceleration of the car (after the driver applies the brakes), affects total stopping distance. Us the driver's reaction time is assumed to be one second! If a vehicle is going 72 mph, how many feet does the vehicle travel in one second?​

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.