I am not sure but I think it's b. Hope this helps
Answer: 0.5
Step-by-step explanation:
Given
There are 3 blue and 1 yellow marble
The chance of picking two marble out of 3 is 
The total no of ways of picking 2 marbles out of 4 is 
Therefore, the probability of picking 2 blue marbles

X=75
y=75
z=105
as you do 42 + 63=105
Answer:
hunt ducks?
Step-by-step explanation: