Answer:
The board is being written on by the teacher.
<u>Hope</u><u> </u><u>it</u><u> </u><u>helps</u><u> </u><u>you</u><u />
C.The narrator is the writer
Answer: The Pareto principle states that, for many events, roughly 80% of the effects come from 20% of the causes.
hope this is what you meant! hope it helps as well. :)
Explanation: