Determine all positive number replacements (less than the modulus) for the question mark that make the statement true. 6+? =(mod 7) A.

The positive number replacement(s) (less than the modulus) for the question mark is(are)

enter your response here.

(Use a comma to separate answers as needed.)

B.

There are no positive number replacements (less than the modulus) for the question mark that make the statement true.