Respuesta :

The perimeter is
[tex]2(2z+3z-3)=44[/tex]
[tex]\Rightarrow 2(5z-3)=44[/tex]
[tex]\Rightarrow 10z-6=44[/tex]
[tex]\Rightarrow 10z=50[/tex]
[tex]\Rightarrow z=5[/tex]

The length of AB is
[tex]3z-3=3(5)-3=15-3=12[/tex]