Answer:
Decimal Form:
1.833333 (add a line over 3 because the answer is 1.83 repeated)
Mixed Number Form:
1 5/6
 
        
             
        
        
        
Positive infinity and negative infinity 
        
             
        
        
        
It says that there was an error with my answer, but I don't know what, so I screenshotted what I typed and attached them as 4 images below:
 
        
             
        
        
        
1/5 of 152 is 30.4
1/2 of 152 is 76
1/4 of 152 is 38
hope this helped :)
        
                    
             
        
        
        
The first and last choices are true.
First Choice:
7 of a total of 16 cells should be shaded.
Last Choice:
Double the numerator and denominator of 6:8. 12 is greater than 7 (12:16 and 7:16)
Hope it helped and I hope those are the correct answers.