There is no difference, 6rs-(-2rs) if you get rid of the parenthesis you are left with 6rs- -2rs and two negatives make a positive therefore the answer will become 8rs... I hope this helps :)
Answer:
for number one, look at the screenshot attached, that should help
Step-by-step explanation:
You need to make this is all languages if you want help thank you . :)
I will say 36 but I also will say wait on someone else to answer