#1. On a school bus traveling 22 m/s , students walks to the back of the bus at a rate of 1m/s . What is the speed of the student relative to the ground?
A.21
B.22
C.23
D.24

#2. A truck is driving north at 35 miles per hour and passes a car going south at 40 miles per hour. What is the speed of the car from the truck drivers frame of reference?
A.35
B.40
C.75
D.80