Answer:
777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
Answer:
The solution is in the image
Answer:
c
Step-by-step explanation:

Therefore, the answer is b < 7.