62.5%. Or, if it is a fraction, then I believe it is in simplest form, Hope it helps!
Y= x(5), since time is independent and calories are dependent.
Since the margin of error is 5%, the minimum of supporters will be less than the maximum of disapprovers.
So the third option will be correct. You cannot make certain conclusions based on this survey.
Answer:
(3, -1), (5, -1), (3, -4) I hope this is what you are looking for