Answer:
4 and -4
Step-by-step explanation:
Because 4 to the left of 0 is negative and 4 to the right is positive 
 
        
                    
             
        
        
        
Answer:
 the objective function, P, at each vertex ... Example: Find the maximum and minimum values of P=3x+2y subject to x + 4y ≤ 20 ... We can find the intersection of the two lines.
 
        
             
        
        
        
If I babysit my little sister, my Mom has to work.
Hope this helps! :D
        
                    
             
        
        
        
638-243 = 395 miles 
rounding up, it would be 400 miles