Please help urgent! please

What is the distance between points (9, −7)and (9, 4) on a coordinate plane?
Enter the answer in the box.

units

Respuesta :

distance=√(x2-x1)²+(y2-y1)²
⇒√(9-9)² +(4+7)²
⇒√0²+11²
⇒11units