If 18/6=3, then we divide 15/3=5, therefore, x=5
Answer:

Step-by-step explanation:
The area of a regular polygon is calculated using the formula;

where
is the apothem and p is the perimeter.
It was given that, the apothem is,
and the perimeter is 
We substitute into the formula to obtain;


To the nearest square inch, we have;

Answer:
The correct answer is B(2)
Step-by-step explanation:
I did it and somehow got it right.
Answer:
2/9
Step-by-step explanation:
After Caroline's share,
1 - 1/9 = 8/9 is left
Sarah gets:
1/(1+3) of 8/9
1/4 × 8/9
2/9
Divide them both by three and you will get your answer, which is 5/24