In how many ways can the first 4 guests arrive at a party if 15 guests have been invited?

[?] ways

Note:  

Given the two functions, and , find .

Test: Reading a Tape Measure

4 Written Questions: 

4 Matching Questions

1.  

2.  

3.  

4.  

4 Multiple Choice Questions

A.  

B.  

C.  

D.  

A.  

B.  

C.  

D.  

A.   

B.   

C.    

D.  

A. 

B. 

C.  

D.  

3 True or False Questions

True or False

True or False

True or False

Out of 30 questions, Ahmad answered 12 them incorrectly. What percent of the questions did he answer correctly?