Answer:
B
Step-by-step explanation:

Answer: 0.001
Step-by-step explanation:
Given
The lock has 3 dials, each with the number 0 through 9.
The first place can be filled in 10 ways and the probability of selecting number '4' out of the 10 is
Similarly for selecting '3' and '9' is also 
Therefore the probability of getting a combination of 4-3-9 is

Answer:
2
Step-by-step explanation:
8
4 2
2 2
well 8 breaks into 4 and 2 and the 4 breaks into 2 and 2
so im pretty sure thats right
Removed. I made a mistake haha and someone made the correct one :)
Answer:
4=3+x
Step-by-step explanation: