Respuesta :

Answer:

Step-by-step explanation:

Round 10.5 to 11

Hey1000

Answer:

2.1 would be the average rate of change per hour.

Step-by-step explanation:

If the temperature fell 10.5 degrees Fahrenheit over a period of 5 hours then 10.5°F divided by 5 hours equals 2.1 degrees per hour.

I hope this helps!