Answer:
Option "d" might be 11/13
Step-by-step explanation:
Red face cards=8. ( heart and Diamond) 
Remove this 8 cards from 52 cards which gives
=>44
Toal cards =52
PROBABILITY = 44/52=>11/13
 
        
             
        
        
        
Answer:

Step-by-step explanation:
We can apply Pythagoras' Theorem.

 
        
             
        
        
        
Answer:
-14
Step-by-step explanation:
 
        
             
        
        
        
D. data collection
Simply the act of collecting data from sample