Im not too sure, but C might work as an answer...
Sorry if it's wrong :(
Answer:
n<-12
Step-by-step explanation:
4<-1/3n
4<-n/3
4×3<-n
12<-n
-12<n
Convert what is inside the parenthesis to sixths.
(3/6+2/6-1/6)^3+2/3x4/5
(4/6)^3+2/3x4/5
(2/3)^3+12/15
8/27+12/15
(8x12/27x15)
96/405
32/135
Don't know if that's right though
Answer: it should be the first one!! :)
a. 1+(-8)
b. 1+8
4
2 + 2 = 4
