Question 1133971
({{{x}}},{{{y+3}}}) and ({{{x-4}}},{{{y}}})

use distance formula:

{{{d=sqrt((x[2]-x[1])^2+(y[2]-y[1])^2)}}}

{{{d=sqrt(((x-4)-x)^2+(y-(y+3))^2 )}}}

{{{d=sqrt((x-x-4)^2+(y-y-3)^2 )}}}

{{{d=sqrt((-4)^2+(-3)^2 )}}}

{{{d=sqrt(16+9 )}}}

{{{d=sqrt(25 )}}}

{{{d=5}}}