Answer:
she needs 20 feet of stone hope this helps.
Step-by-step explanation:
i did this for an assignment online
 
        
                    
             
        
        
        
Answer:
2/5
Step-by-step explanation:
 
        
             
        
        
        
Answer:
35
Step-by-step explanation:
 
        
             
        
        
        
It seems okay to me (if that what your asking) I don't know this subject very well ut the part your working on  " I'm familiar with ?"  Don't be surprised if I was wrong buuuuut it does look okay to me "(the answer)".