In which scenario can you reverse the dependent and independent variables while keeping the interpretation of the slope meaningful?

as the amount of snowfall increases, the number of shovels sold increases.

as number of hours spent watching tv increases, the amount spent on electricity increases.

as the radius of a circle increases, circumference of the circle increases.

as foot size increases, sock size increases.

As the amount of snowfall increases, the number of shovels sold increases. As the number of shovels sold increases, the amount of snowfall increase... NOPE As the number of hours spent watching TV increases, the amount spent on electricity increases As the amount spent on electricity increases, the number of hours spend watching TV increases.. NOPE As the radius of a circle increases, circumferences of the circle increases. As the circumference of a circle increase, the radius of a circle increases... WINNER As foot size increase, sock size increases A sock size increases, the foot size increase.. NOPE