The answer is A. You can comment if u want an explanation :)
-270. Use the google calculator.
Answer:
Step-by-step explanation:

Answer:
She drove 12 hours
5+4+3=12
Step-by-step explanation:
Answer: 40%
Step-by-step explanation:
Given,
Initial mass = 6.5kg
final mass = 3.9kg
So, Change in mass = initial mass - final mass
= 6.5 - 3.9
= 2.6 kg
and,
Change in percentage of mass = 
Change in percentage of mass = 
= 40