Answer:
b
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
c
Step-by-step explanation:
 
        
             
        
        
        
Factorial is the correct answer because in combinations the order does not matter
        
                    
             
        
        
        
Answer : A
The reciprocal of 5 would be 1/5 and 5/1 * 1/5 = 1
hope that helps!:)
        
                    
             
        
        
        
Answer:
No. 
Step-by-step explanation:
To determine if (0,0) is a solution to the inequality, substitute 0 for x and 0 for y and check to see. Thus: 

Substitute 0 for x and 0 for y: 

Multiply: 

Subtract: 

So, (0,0) is <em>not</em> a solution. 
And we're done!