Answer: 12 cakes
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:=15x^2+250x
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
The submarine is underwater for 6 seconds. The submarine hits the water after 1 second and comes back up at the 7th second.
 
        
             
        
        
        
Step-by-step explanation:
Yes they are equivalent. You get -3 when you try solving the actual equation.
 
        
             
        
        
        
Answer:
The answer would be 0.00000007