Answer:

Step-by-step explanation:
<u>Given</u>
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<u>Step 1: Combine Like Terms on LHS</u>
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<u>Step 2: Subtract 11 on both sides</u>
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<u>Step 3: Divide both sides by -4 to isolate the x-variable</u>
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<u>Final Answer</u>
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Given that <span>the number of possible handshakes within a group of n people is given by the equation:
</span>

<span>
Given that there are 105 people at a party, the number of possible handshakes is given by:
</span>

<span>
</span>
Answer:
Since the pentagon is regular, the line connecting the centre of the circle to the verticles (A,B,C,D,E) should inscribe an equal angle in them
You can see what I mean in the attachment
So to mark other points we follow the following steps
- Connect OA
- With OA as base, make angle of 72°. Say th new line is OB.
- Similarly, do for the rest of them
- This is a cyclic pentagon
Step-by-step explanation:
Hope this helps... Pls vote as brainliest
Odd integers would include: -1, 1, and 3.