Answer: it’s probably negative 6.5 but there has to be a grid to be more clear 
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Answer:
Follows are the solution to this question:
Step-by-step explanation:
Please find the attached file for the complete solution.
 
        
             
        
        
        
Division using multiples of 10 is different than how most of us learned how to divide. <span>The idea of multiple is what number can 10 go into without a remainder. That is easy. Ten ends in a zero. Thus 10 goes into numbers ending in zero. An example is 60. Ten ends in a zero; 60 ends in a zero. It will divide evenly. </span>
        
             
        
        
        
Answer:
If Regina wants a mean of 90, she needs to sell 94 books on the 5th day.
 
        
             
        
        
        
Answer:
c
Step-by-step explanation: