Answer:
9/4
Step-by-step explanation:
Take the fraction and flip it
4/9
The reciprocal is 9/4
 
        
                    
             
        
        
        
Answer:
1/4 is the answer
just multiply 1/2 x 1/2
hope this helps
have a good day :)
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
100-x
Step-by-step explanation:
Hope this helps:) 
 
        
             
        
        
        
Y=1020-85x because since it's a decrease it would be goung do, hence the subtraction