The correct answer would be 6.
To figure this out, you take the square root of 36 since area of a square is side x side.
        
             
        
        
        
Answer:
D
Step-by-step explanation:
Since A, B, and C are all true, D should be false. 
I hope this helps!
 
        
                    
             
        
        
        
Let x = Barbie's number
1/3 x -20 = 72
1/3 x = 92
x = 92*3=276
        
             
        
        
        
Answer:
x =53.85
Step-by-step explanation:
Let x be the original price
If the price is 22% of, you will pay 100% -22% = 78%
x * 78% = 42
Change to decimal form.
78x = 42
Divide each side by .78.
78x/.78 = 42/.78
Rounding to the nearest cent
x =53.85
 
        
                    
             
        
        
        
Answer: C
Step-by-step explanation: Hope this help :D