If `((x+2)/(y+2))=(3)/(4)`, then what is the value of `((2+y)/(2+x))^(2)`?

If (4x )/(2y)=4, what is the value of (3y)/(x) ?

If ((2x-y)/(x+2y))=(1)/(2), then find the value of ((3x-y)/(3x+y))

If x-4y= 0 and x+2y= 24 , then what is the value of (2x+3y)//(2x-3y) ?

If x=2,y=4 , then what is the value of x+2y+sqrt((x-2y)^2) ?

If (x - ( 1)/( 3))^(2) + ( y - 4)^(2) = 0 , then what is the value of ( y +x)/( y -x) ?

If ((5x-y))/((5x + y)) =3/7, what is the value of ((4x ^(2) + y ^(2) -4 xy ))/( ( 9x ^(2) + 16 y^(2) + 24 xy)) ?