Which of these could be a main idea? O A. Many kids want clowns at their parties.
B. Some parties have piñatas filled with many types of candy.
C. Birthday parties for young kids can be fun.
D. The typical birthday dessert is cake and ice cream.

C.

Birthday parties for young kids can be fun

Explanation:

Hope this helps:)

go to the home screen and it says what do you need to know? then type the

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