Answer:
-2
Step-by-step explanation:
Subtracting a negative number is the same as adding it, so this is basically just negative 8 plus 6, which is -2. Don't know who was right though, you kinda left that part of the question out.
6/10 and 13/20, sorry i would explain this but its late, cheers.
Hope this Helps.
Answer:
You just plug it in.
Step-by-step explanation: