Answer:
d
Step-by-step explanation:
 
        
             
        
        
        
I believe thugs is it 
4.718592e+15
        
                    
             
        
        
        
The answer is .469  its just simply both percentages as percents multiplied together so .7*.67= .469
        
                    
             
        
        
        
Answer:
10 minutes
Step-by-step explanation:
This is because if u have both the faucet and drain on at the same time, it will fill the tub faster
 
        
                    
             
        
        
        
(10x+5)4 = 30x + 3x + 6x +30 
40x + 20 = 39x + 30
X = 10
perimeter of the square= 420
perimeter of the triangle= 420