Answer:
a) 5/-6, - 5/6
b) 7/-2, -7/2
Step-by-step explanation:
 
        
                    
             
        
        
        
Step-by-step explanation:
 
8x + 6) - (x + 4)
8x + 6 - (x + 4) 
8x + 6 - x - 4 
7x + 2
 
 
        
             
        
        
        
Answer:
the last one
Step-by-step explanation:
3.5(w) 3.5 per week or 3.5 change per week 
hope this was helpful
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation: both graphed is D
 
        
                    
             
        
        
        
Total of area of faces so (20*6+20*4+4*6)*2=448 cm ^2