Answer:
Yes. any repeating decimal is rational.
 
        
                    
             
        
        
        
Answer:
depends
Step-by-step explanation:
 
        
             
        
        
        
Hello!
You can use the Pythagorean Theorem

c is the hypotenuse which is the side across the right angle
a and b are the other sides
Put in the values you know

Square the numbers

Subtract 25 from both sides

Take the square root of both sides
a = 10.9
The answer is D) 10.9 centimeters
Hope this helps!