Answer:
Step-by-step explanation:
3/12 really is 1/4 (Divide top and bottom by 3) 3/3 = 1 and 12/3 = 4
1/5 + 1/4 = 4/20 + 5/20 = 9/20
There is something we don't know about this question. If you put a remark, I will come back and look at it.
Answer:
0.66666667
Step-by-step explanation:


Using hit and trial, you van find it pretty easily-
- Putting x=0, we get y=-3
- Putting x=1, we get y=-1
- Putting x=2, we get y=5
You can try it for yourself as well, for me, I couldn't find any other option appropriate.