Need the answers now decide whether the nouns written in capital letters, are countable or uncountable

I met some nice PEOPLE when I was walking along the beach

the BREAD my mother prepares is delicious

some POLICEMEN are organising road traffic to avoid any accident

We need some GLUE to fix the vase​

People is unaccountable Bread is countable and policeman is countable

I met some nice PEOPLE when I was walking along the beach. (countable)

The BREAD my mother prepares is delicious. (uncountable)

some POLICEMEN are organizing road traffic to avoid any accident. (countable)

We need some GLUE to fix the vase​. (Uncountable)

Explanation:

uncountable nouns are substances, concepts etc that we cannot divide into separate elements. We cannot "count" them. For example, we cannot count "milk". We can count "bottles of milk" or "litres of milk", but we cannot count "milk" itself.

the answer is

r ≈5.641

plug in the area of 100 yards into the equation

100=

divide each side by pi

≈ 31.8309=

take the square root of each side to find r

=r

r ≈5.641