The correct answer would be C.) 8C3 = 8!/(5!)3!.
        
             
        
        
        
The base is 5 because the base = 2 Area/Height
        
                    
             
        
        
        
So to answer this question all you need is the definition of a reflection 
A reflection in my explanation is a flip of the figure to be on the opposite side NOT changing the shape but only flipping the coordinates
        
             
        
        
        
Answer:21
Step-by-step explanation: The median is the number in the middle sorted from least to greatest, here 21 is the middle number.
 
        
                    
             
        
        
        
Answer:
(x,y) -> (-x,-y)
Step-by-step explanation:
the coordinates are switched from the (x,y) you have to (-x,-y)