Answer: y = I x l + 1/2
Step-by-step explanation:
 
        
                    
             
        
        
        
53.35/11 = 4.85 for 1 key chain
4.85 *4 = 19.40
 
        
                    
             
        
        
        
Answer:
=2 
   
Step-by-step explanation:
We have to make the fractions equal so we can add them
1  ×4= 1
×4= 1
 ×3=
×3=
1 +
+ =2
=2 
   
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
for IV you do 40^2+30^2=c, or 1600+ 900=c. c= 2500 and unsquare that you get 50
 
        
                    
             
        
        
        
I think the answer is C not to sure