I'm assuming you mean

Write the 2 as a fraction 2/1 and multiply.
24 hours
Because 24 hours equals 1 day or one rotation of the clock
Answer: Option A
Take not that this is a square bulletin board thus area = Length Times Base. Notice how it says its a square as well? thus telling us that each side is of equal length
Squaring the value N would give us the value of the one side of the board