Take better pictures please
Final list of friends = 10
Possible number of friends who can sit close to the head table = 6
This is a question of the number of combinations in choosing 6 friends from the list of 10 friends.
That is,
Number of ways = 10C6 = (10!)/[6!*(10-6)!] = 3628800/(720*24) = 210 ways.
Answer:
- 1st, 4th and 5th equations
Step-by-step explanation:
<u>Correct ratios as per diagram are:</u>
- 1st, 4th and 5th equations
2nd and 3rd equations are incorrect as showing incorrect ratios or not corresponding sides.
Answer:
The third one
Step-by-step explanation: