For a set of four distinct lines in a plane, there are exactly N distinct points that lie on two or more of the lines. What is the sum of all possible values of N ?
Answer Choices
A. 14
B. 16
C. 18
D. 19
E. 21
For a set of four distinct lines in a plane, there are exactly N distinct points that lie on two or more of the lines. What is the sum of all possible values of N ?
Answer Choices
A. 14
B. 16
C. 18
D. 19
E. 21