Every fraction is just a short way to write a division.
Whenever you see a fraction, it means
the top number
divided by
the bottom number.
When you actually do the division, like with a pencil or a calculator,
the quotient you get is the decimal form of the fraction.
I won't insult your intelligence by giving you 7 divided by 25 .
I'm sure you can do that easily.
I also won't insult your intelligence by sending you to a web site.
I assume that if you were on a desert island without your phone
or any 4G coverage, you'd be able to figure out a way to divide
7 by 25.
For this case we have that by definition, the area of a square is given by:

Where:
l: It's the side of the square
We have, according to the statement data, that:

Then, the area is given by:

By definition of power properties we have to:

So:

Answer:
The area of the square is: 
Answer:
flip it around 9/13 reciprocal would be 13/9
Answer:
when x = 0, the answer is 0
when x = 3, the answer is 24
when x = 4, the answer is 32
The number 2852.1 is already rounded to the tenth since the tenth place is one place to the right of the decimal