Answer:
Should be 5 miles, if not I'm sorry
Answer:
9: a^8/c^2
Step-by-step explanation:
(a^4/c)^2
(a^8/c^2)
We are given this

write it as the difference of cubes

use the formula for the difference of cubes

Now use the formula for the difference of squares as 

1/5 and 3/5
Hope this helps!
I think 2 miles hoped this helped