Answer:
C)  3(x+7)²
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
72.2 m
Step-by-step explanation:
65 km/1 h = (65000 m / 3600s) = 18.05 m/s
Distance = speed * time = 18.05 m/s*4 s = 72.2 m
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
you need to divide both 15 and 25 by 5
15 divided by 5 = 3
25 divided by 5 = 5
^^
 
        
             
        
        
        
We can factor out the 4 to get
4(2a^3b^8+ab-4ab^8)
we can also factor out the ab
4ab(2a^2b^7+1-4b^7)
that is factored completely
        
             
        
        
        
Answer:
1640yd
Step-by-step explanation:
10*10*2=200
36*40=1440
200+1440=1640 yd