Abus travels at an average speed of 60 mph on the highway. once inside the city limits, the both decreases its speed by 55%?

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Pls the last one and it has to be like number 6