A natural number is a positive integer, example, 1,2,5,299 etc.
A rational number is a number that can be expressed as a fraction of integers, such as 245/127, 1/2, 5/1,8/1,...
Since a natural number can be expressed as a fraction of integers, so 
a natural number IS a rational number.
        
             
        
        
        
It is.................x+y=5 
 
        
             
        
        
        
Answer: uhhhhhh pass
Step-by-step explanation:
 
        
             
        
        
        
Answer:
second option
Step-by-step explanation:
The perimeter is the sum of the 3 sides of the triangle
Given
hypotenuse = x
 and
the combined length of the legs = 2x , then
perimeter = x
 + 2x
 
        
             
        
        
        
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