What is the value of x?
I) $$x^2 - 13x + 42 = 0$$
II) x is a real number

A

If the statement I alone is sufficient to answer the question.

B

If the statement II alone is sufficient to answer the question.

C

If both the statements I and II are sufficient to answer the question but neither statement alone is sufficient.

D

If both the statements I and II together are not sufficient to answer the question and additional data is required.