18, 27, 36, 45, 54, 63.
9, 18, 27, 36, 45, 54, 63, 72
15, 30, 45, 60, 75, 90... 9, 18, 27, 36, 45, 54, 63...
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 . . .
the next multiple of 9 is 18, 27, 36, 45, 54, 63, 72, 81.....
699, 18, 27, 36, 45, 54, 63
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
3
9 18 27 36 45 54 63 72 81 909, 18, 27, 36, 45, 54
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 and on to infinity.
9, 18, 27, 36, 45, 54, 63.
18, 27, 36, 45, 54, 63.
Possibly: 45-54
9, 18, 27, 36, 45, 54, 63, 72
45 54
9, 18, 27, 36, 45, 54, 63, 72.
9, 18, 27, 36, 45, 54, 63, 72.