50. In the distribution below, ABC is a prime
number and C is a multiple of 3. What is the
possible value of A+B+C?
2, ABC, 233,326...
(A) 2
(B) 3
(C) 5
(D) 6
(E) 9
can some help me please

Parallel lines never intersect.  They have the same slope and extend into infinity (picture 1).

Perpendicular lines do intersect.  At the intersection point, a 90° angle is formed (picture 2).

Skew lines are neither parallel nor intersecting.  They are on different planes (picture 3).