Answer:
0.38 is a rational number because it can be expressed as fraction, and it isn't a repeating decimal.
Step-by-step explanation:
Repeating decimals aren't rational, and all rational numbers can be expressed as a fraction, or they aren't rational.
 
        
                    
             
        
        
        
Hello,
Please, see the detailed answer in the attached files.
Thanks.
 
        
             
        
        
        
Answer:
-2n - 12
Step-by-step explanation:
Combine like terms. Note that each term has one variable (n). Also note  that one negative sign and one positive sign results in a negative sign.
-6n + (-12) + 4n = -6n  + 4n - 12 = -2n - 12
-2n - 12 is your answer
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Where is the rectangle, I will help you when you show me the rectangle because I need the rectangle
        
             
        
        
        
Answer:
11
Step-by-step explanation:
 square of 44 + 77 
1st step = go with the number that is inside the square 
 that will 44+77 = 121 
now using the square root , you may think about which number multiple by himself give you 121 
11×11 =121 
so square root of 121 = 11