Select the correct answer. The endpoints of WX are W(2,-7) and X(5,-4). A graph is a line that extends between the points W, left parenthesis 2, negative 7 right parenthesis, and X, left parenthesis 5, negative 4 right parenthesis. What is the length of WX? A. 3 B. 6 C. 18 D. 6 E.