Answer:
3/8
Step-by-step explanation:
Looking at the bottom row, there are 8 possible outcomes
HHH, HHT, HTH, HTT, THH, THT, TTH, TTT
There are 3 that have exactly 2 heads HHT, HTH, THH,
That means the probability is
P( exactly 2 heads) = number outcomes with exactly 2 heads/total outcomes
                                  =3/8
 
        
             
        
        
        
sorry answered the wrong one..
 
        
             
        
        
        
Answer:
Times 10 magnify
Step-by-step explanation:
 
        
             
        
        
        
Answer:
the second one 
Step-by-step explanation:
in order for it to be a function the x values CANNOT repeat. 
in answer a the x value -6 repeats so that cannot be a function 
in answer b none of the x values repeat so its probably this one but lets check the other ones just in case
in answer c the x value 8 repeats so it cannot be this one 
in answer d the x value -2 repeats so it cant be this one \
b is the only one that does have repeating x values therefore it is the second one