During the weekdays, Horton uses a car to deliver pizzas. Horton uses a truck to deliver pizzas on the weekend, since the number of pizzas increases. The more pizzas Horton delivers, the more money he makes. Column A Column B 1. number of pizzas Horton delivers 2. the vehicle Horton uses 3. the amount of money Horton makes 4. the number of miles Horton drives during deliveries A. both the independent and the dependent variable B. dependent variable C. neither the independent nor the dependent variable D. independent variable