Using the given information about angles and lines cut by a transversal, which scenario proves a ∥ b?
a) m∠3 = (12x + 24)°, m∠5 = (10x + 40)°, and x = 8
b) m∠3 = (12x + 24)°, m∠5 = (10x + 40)°, and x = 8
c) m∠3 = (12x + 24)°, m∠5 = (10x + 40)°, and x = 8
d) m∠3 = (12x + 24)°, m∠5 = (10x + 40)°, and x = 8