Classify the UNDERLINED words as independent or dependent

1. (The length of time worked) and salary

Dependent variable
Independent variable

2. The number of hours boiling and (the number of ounces of water left in the pot)

Dependent variable
Independent variable

3. (The distance travelled) and the volume of the gasoline

Dependent
Independent

4. The number of hours studied to (grade on test)

Dependent
Independent

5. (Height of a plant) to the of months grown

Dependent
Independent