The three integers are: 12, 13, and 14
12+13=25
25+14=39
Answer:
Option C. 
Step-by-step explanation:
we know that
Using a Excel tool (Correl function)
see the attached table
The r-value is 
Not A because regular means all sides are equal.
B has to be the answer because the others are not.
Not C because a right triangle is not regular, i.e. and equilateral triangle.
Not D because a rectangle has different side lengths.
Answer:
i can't seee the question is only the options i am seeing
Honestly, I have no idea what it means by decomposition, but this is my best bet on what it means: Dividing the polygon into smaller, easier sections and solve for area and add them up.