Answer:
I think the first one and the last one
Step-by-step explanation:
ik im wrong
1) You need to solve t -

2) Then solve f

3) As it's constant it is<span> still 10m/s
4) You need to </span><span>use the</span> time from part 1 times 10m/s
5) Use Pythagorean theorem with <span>10m/s and vf
I am pretty sure it will help you.</span>
18+ 13 gives you 31 so the difference between 13 and 31 is 18.
the answer is 31