The answer is 0.4375. What you do is you divide the top number (numerator) by the bottom number (denominator) when you want to turn a fraction into a decimal. So 7 divided by 16 is 0.4375.
I believe the answer should be B. Because of the standard circle equation.
Answer:

Step-by-step explanation:
Lets solve the first half.

Second one:

Now compare.....Not the same right??
So your answer is: 
Hope this helps :)
Answer:
3 inches you are right
Step-by-step explanation: