Answer:
So, Plane ABC and plane BCE _may_ be the same plane.
Step-by-step explanation:
This happens when E is on Plane ABC (or you could say, A is on Plane BCE). If not, then they are two different planes.
Answer:
3
Step-by-step explanation:
Divide
by 

Answer:
-3.85
-3 is a whole number, it comes before the decimal point.
17/20 is a fraction so it goes on the other side.
You need to add
Tell me what you think it is and I will help you