One irrational number between 5 and 7 is 

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Answer:
44/3 or 14 and 2/3
Step-by-step explanation:
First convert 2 and 3/4 in a improper fraction which gives you 11/4.
Next, you divide 11/4 and 3/16.
It will give you 44/3 which can be 14 and 2/3.
 
        
             
        
        
        
Answer: E: 100%
Step-by-step explanation:
If the class average is currently 70% and she wants to increase it by 10% every week for 3 weeks, 10×3=30% and 70+30= 100%.
PS- It would mean the world to me if you could mark me brainliest! 
I am not a professional, I am simply using prior knowledge!
 
        
             
        
        
        
50%, if you put it into a calculator 25/50 gives you .50, move decimal 2 times to the right to get 50.