Paco's daughter will be participating in an upcoming dance recital. She will require a different costume for each dance she plans to performs. c = the number of costumes Paco's daughter will require d = the number of dances Paco's daughter plans to perform Which of the variables is independent?

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class. t = the number of treats s = the number of students Which of the variables is independent?

Carey and Justin are raising money to purchase books for their school's library. The more money they raise, the more books they will be able to purchase for the library. m = the amount of money Carey and Justin raise b = the number of books Carey and Justin will be able to purchase Which of the variables is dependent?

Sarah is participating in a walkathon to raise money for local literacy programs. The amount of money Sarah will raise depends on the distance she walks. m = the amount of money Sarah will raise d = the distance Sarah walks Which of the variables is dependent?

In order to earn extra money on the weekends, Josie's string quartet performs at wedding receptions. The longer the reception, the more money they earn. r = the length of the reception m = the amount of money Josie's quartet earns Which of the variables is independent?