N-9=14
that's just an example. what it equals to can be anything really
Distance formula ds = v(dx² + dy²) s = ? v(1 + (dy/dx)²) dx ......... s = the arc length y = 171 - x²/45
chegg
someone solved it on this
https://youtu.be/UGjXlMVdZvc
All the primes of 24 is 1,2,3,4,6,8,12,and 24
Answer: u should have at least i gallon per person per day