

1. 
Write an inequality for the sentence three times a number is less than 45. 


A. 
3 + x < 45 
B. 
3x > 45 


C. 
3x < 45 
D. 
3x 45 


Hint 


2. 
Solve . 


A. 

B. 



C. 

D. 



Hint 


3. 
Solve 3r + 5 > 26. 


A. 
r > 7 
B. 
r > 21 


C. 

D. 



Hint 


4. 
Solve x + 8 < 12. Graph the solution. 


A. 

B. 



C. 

D. 



Hint 


5. 
Solve y  10 7. Graph the solution. 


A. 

B. 



C. 

D. 



Hint 


