I need the steps if possible :)

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.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

Which of the following is the sum of 3 1/6 + 6 3/8?