Answer:D the last one 
Step-by-step explanation:
 
        
             
        
        
        
SOLUTION 
From the question, we want to find the probability of selecting a slip of paper with the letter t on it, then selecting the letter r, with replacement. 
This means the probability of selecting t and r. 
That is 

There are 12 letters (total outcomes). And there are 2r and 2t. 
So probability becomes 

Hence the answer is 
 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Assuming this is in degrees, it is actually 0.
 
        
             
        
        
        
Answer:
its (-5 -5.9)
Step-by-step explanation:
i got id right on edg