Answer:
C
Step-by-step explanation:
just do it.
The answer is 81!
8 x 8 = 64
64 + 8 = 72
72 + 9 = 81
Hope this helped you!
Answer:9
8 * 9 = 72
8, 16, 24, 32, 40, 48, 56, 64, 72
1, 2, 3, 4, 5, 6, 7, 8, 9