ANSWER

EXPLANATION
The given expression is

The middle radical contains a perfect square.



Note that:


Answer:
1/6, because there is only one way it's possible and there are 6 outcomes.
Step-by-step explanation:
Answer:
4.75
Step-by-step explanation:
19 goes into 4 4 times, so we are left with 4 3/4. 3/4 is 0.75, so we have 4.75 as our answer.