Answer:

Step-by-step explanation:
Given that,

We know that, 
So,

So,

So, the value of the given expression is equal to
Answer:
Option c
Step-by-step explanation:
The answer is 8 pi r
The Oort cloud is a hypothesized spherical cloud of comets which may lie roughly 50,000 AU, or nearly a light-year, from the Sun, many comets are though to come from there but not all
He could put 5 in one and another 5 in the other. So just divide so he could put 2 snails in 5 different tanks and so on