I’m not really sure but I would say c
Answer:
=
Step-by-step explanation:
8.5 is also 8 and 1/2, it just has negative signs infront
I don’t know but I’ll try to figure it out
Answer:

Step-by-step explanation:

Answer:
49:28
Step-by-step explanation:
7+4=11
77/11=7
7*7=49
4*7=28