Region \(R\) is a square in the \(xy\)-plane with vertices \(J = (-1, -2), K = (-1, 4), L = (5, 4),\) and \(M = (5, -2).\) What is the probability that a randomly selected point in region \(R\) lies below the line \(3x - 5y = 10?\)
(A) \(\dfrac{5}{12}\)
(B) \(\dfrac{5}{18}\)
(C) \(\dfrac{5}{24}\)
(D) \(\dfrac{5}{36}\)
(E) \(\dfrac{5}{72}\)
Answer: C
Source: Magoosh