Answer:10 dollars
Step-by-step explanation:because i say so
 
        
             
        
        
        
Answer: Either A or B
Step-by-step explanation: 
Both A and B are the same answers, but the main answer should be 
c+d=17, 4c+2d =54
C represents the number of cows and D represents the number ducks. The two and fours in front of the variables represents the number of legs the repesctive animal has. 
c+d would mean how many animals are in the barn. Feel free to clarify the two same answers
 
        
             
        
        
        

The polynomial p(x) can be found by multiplying 'x-3' to every term 

Now distribute and you have your answer.
 
        
             
        
        
        
Answer:
m=18
Step-by-step explanation:
18  is the correct value for +5