12 and 20 are both divisible by 4
12 ÷ 4 = 3
20 ÷ 4 = 5
-------------------------------------------------
The simplest ratio would be 3:5
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: 
B) p=9t
he gets paid $9/hr, and his pay depends how many hours he works.
Answer: 11219861986
Step-by-step explanation: i used a calculator
I am pretty sure this is right