Which of the following statements describes a positive linear relationship between two variables?
1. The more I eat, the less I want to exercise.
2. The more salty snacks I eat, the more water I want to drink.
3. No matter how much I exercise, I still weigh the same.
a. 1 only
b. 1 and 2
c. 2 only
d. 2 and 3
e. 3 only 9.