The answer you seek is 5. Enjoy
same i pass im at like 70% Step-by-step explanation:
Answer:
1
Step-by-step explanation:
l 10 - 11 l = |-1|= 1
Missing part of the question
Determine the number of handshakes, i, that will occur for each number of people, n, in a particular room. (people)
Answer:

Step-by-step explanation:
Given
For 5 people

Using the given instance of 5 people, the number of handshakes can be represented as:

The above sequence is an arithmetic sequence and the total number of handshakes is the sum of n terms of the sequence.

Where
--- The first term
--- The last term
So:


Answer:
A
Step-by-step explanation:
edge2021