At 3:00 a.m., the temperature is -5 degrees F. Between 3:00 a.m and 6:00 a.m., the
temperature drops by 12 degrees F. Between 6:00 a.m. and 9:00 a.m, the temperature
rises by 4 degrees F. What is the temperature at 9:00 a.m.? Explain how you solved this
problem.