Answer:

Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:
a) 1
1
+
1
b)1
3
+
1
8
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
85!/82! = 85*84*83 = 592620
n choose 0 is always equals 1
n P n also always equals 1
 
        
                    
             
        
        
        
Answer:
NO because 7+5=12
The sum must be larger (not equal to) the longest side. If it's exactly the same, there's no room to for the shorter two sides to angle up to form a triangle.
 
        
             
        
        
        
Answer: 6 students
What we know:
Students: 24
Students who play checkers: 
Students who also play sudoku: of the
 of the 
24 ÷ 3 = 8, so 8 × 2 = 16 (students who play checkers)
 × 2 =
 × 2 = 
So the answer is,
6 students play both checkers and sudoku