

1. 
Find . Write the difference in simplest form. 


A. 

B. 



C. 

D. 



Hint 


2. 
Evaluate if . 


A. 

B. 



C. 

D. 



Hint 


3. 
Find – . Write the difference in simplest form. 


A. 

B. 



C. 

D. 



Hint 


4. 
Solve z = – . 


A. 

B. 
1 


C. 

D. 



Hint 


5. 
Find + written in simplest form. 


A. 
1 
B. 
1 


C. 

D. 



Hint 


