HELP
The water level in a vat changed by −9.9 inches in 2.25 hours as the vat was drained. What is the average change in the vat's water level per hour? Enter the your answer in the box.
The water level in a vat changed by −9.9 inches in 2.25 hours as the vat was drained. What is the average change in the vat's water level per hour? Enter the your answer in the box.