Respuesta :

Answer:

1731996

Step-by-step explanation:

i think thats the answer if not sorry hopefully i helped <3

Answer:

I can help you!

Step-by-step explanation:

3x7 you should add #7 3 times. That would be 21

9x8 you should add #8 9 times. That would be 72

12x9 you should add #9 12 times. That would be 108

Hope it helped