Answer:
one because it is cilinder
There is no square root of 6 all you have to do is set up a square root box and put the 6 in it then you split it into factors next you put them in another square root box finally multiply, then you get your simplest form.
12.8 miles would take the 16 friends to split the trip into 16 parts
f(-3)=
Hope I helped and have a great day!
P.S. brainliest would really help im one away from virtuoso