Question 1010787
Distance formula is square root of the sum of the x and y distances squared.  They may be done in either direction.  The whole distance rs=sqrt (400=2250=sqrt 625=25.
for st it is sqrt (11-2)^2+(10+2)^2=sqrt (225)=15
for rt it is sqrt(2+4)^2+(-2+10)^2=sqrt(100)=10
The ratio is 10/15 or 2/3 ANSWER
{{{graph(300,200,-10,10,-10,11,(3x/4)+(7/2))}}}