The statement that includes a description of velocity is:
A car travels east at 45 kilometers per hour.
This statement specifies both the speed (45 kilometers per hour) and direction (east), which is what defines velocity.
A car travels east at 45 kilometers per hour
A marble rolls 30 centimeters away from the table
A student walks 20 meters down the street
A bicycle moves 8 meters per second
The statement that includes a description of velocity is:
A car travels east at 45 kilometers per hour.
This statement specifies both the speed (45 kilometers per hour) and direction (east), which is what defines velocity.