'justify your answer using complete sentences' means re-write your answer in a complete sentence. In other words, say your answer in a full and clear sentence. 
        
             
        
        
        
6x-21>3 
Add 21 to both sides
6x>24
Divide 6 on both sides
X>4
14x+11>-17
Subtract 11 from both sides
14x>-28
Divide 14 on both sides
X<-2
        
             
        
        
        
Decimal: 32.5 
Fraction 65/2
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
40-j=8
 
        
             
        
        
        
37.5% of her credits. 24 out of 64, divide and you get your answer. multiply by 100 to get the percentage.