I answered some, i still need help! thank you​

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.