Answer:
57
Step-by-step explanation:
The player has a 1/4 chance of drawing any of the 4 prizes. This means that the probability of drawing a prize of $4 is 1/2 because there are 2 prizes worth of $4. The probability of drawing a prize of $20 is 1/4 and the probability of drawing a prize of $200 is also 1/4. To find the fair price of the game, we have to calculate the expected value that the player will gain. This can be obtained by multiplying any possible value of a price for the probability of drawing a prize of that value and adding all the obtained values togueter. Thus, the fair price of the game is 

 
 
        
             
        
        
        
I think it is 16 I am not sure because I did not do it I am just guessing
        
                    
             
        
        
        
Answer:
b is correct
Step-by-step explanation:
hope this helps
 
        
             
        
        
        
Answer:
65 cm
Step-by-step explanation:
A= 1/2 bh
A= 1/2 (13 cm) (4 cm)
A= 65 cm
 
        
                    
             
        
        
        
The slope should be one over two.