Answer:
Find the area of table top( circle)
A=πd²/4
A = 3.1415× (90cm)²/4
A= 3.1415× 8100cm²/4
A= 3.1415×2025
A=6361.5375cm²
The area of the table top is 6361.5375cm².
Answer:
Step-by-step explanation:
If we don't care about the order (like if we pick Bob then Joe vs Joe then Bob), then a formula is 
where we are picking k items from a list of n items
In our case, n=22 and k=15
Therefore, there are 
2/3 = 8/12
5 1/4 = 21/4 = 63/12
63 divide by 8 is 7.875
7 batches should be your answer
hope this helps
It's kinda like a parabola, but it isn't. it like
ax^2+bx+c
