We know that the initial temperature is -3 then it rises to 8 and drops by 6 degrees then you just need to subtract six from 8 
Answer:
6,4
Step-by-step explanation:
I'm not sure if 4 is correct but 6 definitely is. I hope this helps
The answer is going to be 11 17/21. hope that helped
I'd say centimeters, if that's what you're looking for. Maybe 1-2 cm.