It is the last one. A closed circle means less than or equal to, so that crosses out the top two. The third says five is greater and we know that is not true because the line is decreasing in value. It must be the fourth.
The answer is
Option A and B
N=9

n=9.333333333333333

that is 15 3's by the way.
Answer:
2m
Step-by-step explanation:
When the perimeter of square is concerned, all the sides are equal. Since perimeter is the sum of all sides so perimeter of square is equal to 4L
P=4L
8=4L
L=8/4
L=2 m