The picture is cutted off
        
                    
             
        
        
        
Answer:
Step-by-step explanation:

From the initial condition,

So we have that 
 
        
             
        
        
        
What is the question marks for?
The First One Answer is 
x•(1+xy+x^2y)
        
             
        
        
        
Probabilities are used to determine the chances of selecting a kind of donut from the box.
The probability that Warren eats a chocolate donut, and then a custard filled donut is 0.068
The given parameters are:



The total number of donuts in the box is:


The probability of eating a chocolate donut, and then a custard filled donut is calculated using:

So, we have:

Simplify

Multiply

Divide

Hence, the probability that Warren eats a chocolate donut, and then a custard filled donut is approximately 0.068
Read more about probabilities at:
brainly.com/question/9000575