Answer:
8n+2
Step-by-step explanation:
You add 3n to 5n and that gets you 8n.
The 2 is just alone.
1g is equal to 0.001kg
678g = 0.678kg
(678 x 0.001 = 0.678)
Answer: AB = 6
Step-by-step explanation:
If CD = 12 , AC also = 12
B is the midpoint of AC so one side = 6
AB is one side of AC , so AB = 6
I am not a professional, I am simply using prior knowledge!
Note- It would mean the world to me if you would mark me brainliest!
So firstly, subtract x on both sides: 
Next, divide -2 on both sides, and your answer will be y = 1/2x - 3/2 , or the last option.
D e c a is all the answer