Handshake Problem #1: Assume there are 20 people in a room, including you. You must shake hands with everyone else in the room. How many hands will you shake? If there are N (where N > 0) people in the room,
how many hands will you shake?

Ineed on my history if anyone can check out the last few questions i posted and i will be posting !

Which one of the following is the most accurate definition of technology? a electronic tools that improve functionality b electronic tools that provide entertainment or practical value c any type of tool that serves a practical function d any type of tool that enhances communication

Whats three fourths of 15(this is supposed to be in math but i clicked too fast)