Answer:
from what?
Step-by-step explanation:
c^2( c^2-10c+25)
=c^4 - 10c^3 + 25c^2
u spend half an hour on your blog
(1/5)*(5/2) = 1/2
3 miles
1/2 hour is 30 minutes so 1.5 x 2 is 3