

1. 
An arrangement where order is not important is called a(n) 


A. 
combination. 
B. 
factorial. 


C. 
outcome. 
D. 
permutation. 


Hint 


2. 
How many ways can 5 CDs be selected from a stack of 12 different CDs? 


A. 
1440 
B. 
95,040 


C. 
792 
D. 
17,280 


Hint 


3. 
Suppose there are 8 runners in a race. How many ways can awards for 1st, 2nd, 3rd, and 4th places be presented? 


A. 
1680 
B. 
70 


C. 
40,320 
D. 
24 


Hint 


4. 
How many ways can 8 track runners be arranged on a fourperson relay team? 


A. 
40,320 
B. 
70 


C. 
1,680 
D. 
336 


Hint 


5. 
Find the number of line segments that can be drawn between any two vertices of a hexagon. 


A. 
9 
B. 
30 


C. 
15 
D. 
24 


Hint 


