Select the correct answer.
The endpoints of WX are W(5,-3) and X(-1,-9).

A graph is a line that extends between the points X, left parenthesis negative 1, negative 9 right parenthesis, and W, left parenthesis 5, negative 3 right parenthesis.

What is the length of WX?

A.

6
B.

12
C.

16
D.

2
⁢
3
E.