Math ! explain your answer and in advance! (the question is the image attached! )

Every time you drive you will experience a combination of driving conditions and environments.

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%