What is the slope? (IXL)

Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?

Rearrange the formula c^2 = a^2 + b^2 for b

What does the relationship between the mean and median reveal about the shape of the data