GUYS PLEASE HELP ASAP!!!!!!! A car is driving 18 meters per second. It then merges on to a highway and accelerates at a rate of 6 meters per second per second for 2.0 seconds. It then remains at this speed. What is the speed of the car on the highway?
a. 3.0 m/s
b. 12.0 m/s
c. 26.0 m/s
d. 30 m/s