Answer:
3 
Step-by-step explanation:
I think it three sometimes it's a trick question  
so its not number one or 2 because how are they her children so the answer is 3
 
        
             
        
        
        
Answer:
The area should be 170
Step-by-step explanation:
L× W =70×10=170
 
        
             
        
        
        
1. $1.23 per pair 
A dozen is 12 so you do 12x7=84
Then you do 103.32 divided by 84 which gives you 1.23
2. His error was doing 103.32 divided by 7 because he thought it was only 7 pairs but it’s 7 dozen.
        
                    
             
        
        
        
Answer:
I think she is correct 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
7 markers cost $8.95
Step-by-step explanation:
9x = 11.50
x = 11.5/9 = 1.278
Therefore, 7 markers, or 7x = 7(1.278) = 8.946