Answer:
Im not sure that really makes sense but I think your grade would be 90% if you did 8/9 or somewhere around that
Step-by-step explanation:

; where a = 1, b = -4 and c = 8
Answer:
you need to add and then subtract and the anw=sewr wi;l be 14567890 .happy and boom your done
Step-by-step explanation:
A= 1
B= -5
C= 10
In order to figure it out, you can think about it like this..