I'd suggest you enclose -1 and 5 within brackets as shown:
4( 2[-1] - [5] ).  Do the work within parentheses FIRST:  4( -7 ).
Then multiply as indicated:  -28
        
             
        
        
        
Answer:
1 1/2 miles equal 7920 feet
Step-by-step explanation:
N/A
 
        
                    
             
        
        
        
Answer:
 or 1.33%
 or 1.33%
Step-by-step explanation:
 
        
             
        
        
        
The absolute value of |-2| is 2 then you have to add the negative sign on the outside, so the answer will be -2
        
                    
             
        
        
        
23.3 is the answer points