Answer:
5
Step-by-step explanation:
 
        
             
        
        
        
Distribute the 9 to each term in the parentheses with multiplication.
9(3 + x) = 27 + x
But this is usually written as x + 27
        
                    
             
        
        
        
Answer:
30
Step-by-step explanation:
Each one has 10 tenths, so 3 ones have 30 tenths.
You can do this by dividing 3 by 1/10.
3/(1/10) = 3/1 * 10/1 = 30/1 = 30
 
        
             
        
        
        
A square plus b  square = c square 
(a square plus 6 square =10 square,a)
        
                    
             
        
        
        
Answer:
10 yards
Step-by-step explanation:
Every 1 yard is 3 feet, the cloth is 30 feet
30 ÷ 3 = 10 
The cloth is 10 yards.
Hope this helps!