Answer:
Sister Is a PIG
Step-by-step explanation:
and Your Friends Gets her Scraps
Pandas and combine like terms
The formula of an area of a circle:

r - a radius
We have r = 14m. Substitute:

If you want an approximate area, you can accept 
Then:

There are 16 girls and 12 boys which means the ratio of number of girls to the numbers of boys in her class is 16:12 and 4:3 when simplified.