Determine all possible digit replacements for x so that the first number is divisible by the second. 773, 66, x; by 6
a) 1, 2, 3, 4, 5, 6, 7, 8, 9
b) 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
c) 2, 4, 6, 8
d) 0, 3, 6, 9