45 and 18
18 and 18
5 and 6.
Just 63
21, 42, 63, 84.
21 , 42 , 63
21, 42, 63, 84
59, 61, 63
it can be any # that ads up to 9. for instince 1242. it adds up to 9. Hope this helps!
81, 162, 243, 324, 405, 486, 567, 648, 729, 810, 891, 972.
186
255
There are 11 multiples of 9 up to 100. 9 18 27 36 45 54 63 72 81 90 99