Answer:
0.2143 is the percentage
Step-by-step explanation:
 
        
                    
             
        
        
        
Down, the line is going down
        
             
        
        
        
 -58.
To get this, first use the equation -b/2a. This will first find the maximum. After you find the maximum, input the answer into the original equation and solve for the minimum.
Hope this helps!
        
                    
             
        
        
        
Answer:
11 peices left
Step-by-step explanation:
16-(2+3)
16-(5)
16-5=11