Question 975529
I would use the distance formula for the longest, although plotting it is probably faster.  I edited the second to last word to be "the".


Between the first two it is (50)^1/2
Between the second and the third it is (100)^1/2
The first and the third is also (50)^1/2

{{{graph(300,200,-10,10,-10,10,(-x/7)-(5/7),(3x/4)-(5/2),7x-65)}}}