The question is an illustration of arithmetic sequence.
<em>The number of conversation for 19 people is 171</em>
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<u>(a) 9 people</u>

9 represents the number of people
8 represents the number of conversation each person had
2 represents the number of people having a conversation at once (i.e 2 people at once)
<u>(b) 19 people</u>
We have:

The number of conversation is:

So, we have:




Hence, the number of conversation for 19 people is 171
Read more about arithmetic sequence at:
brainly.com/question/18109692
Answer: 11/14, also known as eleven fourteenths
Step-by-step explanation:
Hope this helped ! :)
Answer:
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The
correct answer is:
TrueExplanation:
1.

(Straightforward)
2.

(log to base of itself is always 1)
3.

(Using log power property)
Hence the correct option is True.
If I’m correct the area is 48