Step-by-step explanation:
I am only sure about the first one but as for the rest I am not really but I tried...if you need explanations to the first one feel free to ask me
Answer:
100
Step-by-step explanation:

This can be turned into:
(if we add the numbers inside the brackets)
Following PEDMAS, this becomes:
which equals 
∴
1/5x1/2=1/10
1/5 because there are 5 flavors.
1/2 because there are 2 kinds of pies.
So the answer is 1/10.
Hope this helps.
Answer:
This is late you said it was due 5 min. yet I this was posted 5 hours. No one can help now.
Step-by-step explanation: