

1. 
Solve . 


A. 
27 
B. 
30 


C. 
28 
D. 
26 


Hint 


2. 
Find the multiplicative inverse of . 


A. 

B. 



C. 

D. 



Hint 


3. 
Find the multiplicative inverse of . 


A. 

B. 



C. 

D. 



Hint 


4. 
Find the multiplicative inverse of . 


A. 
 
B. 



C. 
 
D. 



Hint 


5. 
What value of y makes y =  a true sentence? 


A. 

B. 
 


C. 
 
D. 



Hint 


