Answer:
When the diameter is given you just take half of it so simply put what is half of 16pi and it will give your answer. :)
Step-by-step explanation:
Answer:

Step-by-step explanation:






Answer:
I am so sorry i am confused.
Answer:
A
Step-by-step explanation:
formatting is so bad lol
but yeah its the first one because for independent events, the probably of a and b is the product of both probabilities, just like how 0.3*0.4=0.12
Answer:
Yes.
Step-by-step explanation:
I don't really know how to explain this other than use a calculator.
Hope that this helps!