Without speeding up it would take 5 1/3 seconds.. not sure if it speeds up in the question?
You would take the square root of x^2 and of 121 so x =11
82.4+108.6=191 and 12052.1 divided by 191=63.1
So the answer is 63.1
18. You can do this in a calculator. 26 - 8 = 18. v = 18.
