2 answers:
            
              
              
                
                
Answer:
4.9x10⁻⁶
Step-by-step explanation:
21 / 4291678 = 4.9x10⁻⁶
 
                                
             
                    
              
              
                
                
Answer: assuming you mean divide 4mil by 21, the answer is 204365.619 
Step-by-step explanation:
 
                                
             
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The y intercept is -2, but I don't remember how to find the vertex sorry
        
                    
             
        
        
        
        
Answer:
36 inches
Step-by-step explanation:
P= 2l + 2w 
P= 2(10) + 2(8)
P= 20 + 16
P= 36
 
        
             
        
        
        
Answer:
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