Answer: $8 chicken $5 duck
Step-by-step explanation:
50x+30y=550
x=8
y=5
400+150=550
 
        
                    
             
        
        
        
Answer:
(3x+4)(3x+4) is factor of given expression. 
B is correct. 
Step-by-step explanation:
We are given an expression 
Formula: 
First we write each term as perfect square as formula. 


Using formula , a=3x and b=4 

Now we write same number two times. 
Hence, (3x+4)(3x+4) is factor of given expression. 
 
        
             
        
        
        
The answer is 28.09 g. I hope this helped. 
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
The answer is B
 
        
             
        
        
        
Answer:
x=-0.5
Step-by-step explanation:
the question is -9=18x
we divide both sides by 9
-1=2x
divide both sides by 2 
x=-0.5