Answer:

Step-by-step explanation:
we know that


Let
x ------> new battery life
The equation that represent this situation is

convert to mixed number

Answer:
D and C
Step-by-step explanation:
I don't really know if my answers are even correct but I did some research on them. I don't want to waste your time --or mine.
The correct answer is C. Hope this helps.
Answer:
What do ya need help with?
Step-by-step explanation:
Angle ABC=DEF then
Side AB=DF
Side BC=EF
and Side CA=FD
So if side ac=DF
side DF=6cm.