Explain how you can use a box-and-whisker plot to find the range of a data set

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?