Answer #4 pls what does x represent and what does * represent

Answer:
It was first used in the mid 1500s” — and its legacy is alphabetic symbolism: “X is the Greek letter “chi,” the initial letter in the word Χριστός. And here's the kicker: Χριστός means “Christ.” X has been an acceptable representation of the word “Christ” for hundreds of years.”
Step-by-step explanation: