100% - 81% = 19%
19% did not pass.
        
             
        
        
        
Answer:
Choice D
Step-by-step explanation:
38/4 =9.5
Therefore, this number is between 9 and 10
Note: 
38/4 = 9 remainder 2
Hence, the quotient is 9 which is a whole number
 
        
             
        
        
        
The scale faction is 20 to 1 hope that helps
        
             
        
        
        
Answer:
you get the answer yet im trying to figure it out to 
Step-by-step explanation:
 
        
             
        
        
        
The answer is:  [D]:  " <span>(1, 0, 0), (0, –2, 0), (0, 0, 6) " .
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