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:
d. 72
Step-by-step explanation:
Check the picture below
if your calculator is in Degree mode, you'll get the angle in degrees, if in Radian mode, you'll get radians get taking the inverse sine, so you know
Answer:243
/3125
(Decimal: 0.07776)
Step-by-step explanation:((32)(5−2))2(3(5−1))
((32)(5−2))2(3(5−1))
Answer:
a
Step-by-step explanation:
because it is more then eight numbers