The answer is 15
Since 20 times 7 is 140 and 140+75 is 215
Take 215-200 you get 15
C is the right answer because the period should be pi/(1/3), so the answer is 3pi
The surface area of a sphere is given by

We deduce

So, in your case, the radius is

The volume of a sphere is given by

So, we have

Answer:
228 and 222
Step-by-step explanation:
Answer:
542.6
Step-by-step explanation: