Answer:
The answer would be 5/6.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
11.7 degrees approximated to 12 degrees
Step-by-step explanation:
couldn't send the answer as 1 photo
 
        
             
        
        
        
Answer:
Which formula should be used to calculate the variance?   C
What is the variance? 58.5