Find [GF(729):GF(9)] and [GF(64):GF(8)].
A) [GF(729):GF(9)] = 3, [GF(64):GF(8)] = 2
B) [GF(729):GF(9)] = 9, [GF(64):GF(8)] = 8
C) [GF(729):GF(9)] = 27, [GF(64):GF(8)] = 16
D) [GF(729):GF(9)] = 81, [GF(64):GF(8)] = 32