Answer:
its 9
Step-by-step explanation:
bec 1 square is 1 and 4 +5 is 9
It mostly depends on what operation you are doing.
Formula for the Minimum Sample size 
The least biased estimate for p and q is 1/2.

Thus



How do we? We can’t just...umm
the answer is A 160.68 dollars. there is pictures of my work shown as well. That is your answer by the way.