Answer:
9 and a half 
Step-by-step explanation:
the fewest number is 9.5 because thats the exact amount in hallways that he needs
 
        
                    
             
        
        
        
Answer:
A and B
Step-by-step explanation:
-3 and -2 are the only values less than or = to -2
the rest are greater than -2
 
        
                    
             
        
        
        
Answer:
1.7362
Step-by-step explanation Factor the expression
Use Radical Rules 
Calculate the product
hope I helped :)
 
        
             
        
        
        
I believe this question is to do with bounds so the LB (lower bound) of 56= 55.5 the LB of 9.2= 9.15
LB= 55.5/9.15= 6.06557377