Ignore the fact that it says limit because when sin (pi) is here it is not an Undefined Point, whatever value the calculator says is sin(pi) is the answer. 
        
             
        
        
        
Answer:
a
Step-by-step explanation:
its right
 
        
                    
             
        
        
        
Answer: $40
Step-by-step explanation:
To find the whole number you divide the part by the percentage
so here it was 32/0.8
hope it helps