Let \( S \) be the universal set, where: \( S=\{1,2,3, \ldots, 18,19,20\} \) Let sets \( A \) and \( B \) be subsets of \( S \), where: Set \( A=\{1,2,3,4,5,6,8,9,11,14,17,20\} \) Set \( B=\{1,5,6,10,11,15,20\} \) Find the following: LIST the elements in the set \( (A \cup B): \) \( (A \cup B)=\{\square \) Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE LIST the elements in the set ( \( A \cap B \) ): \( \begin{array}{l}A \cap B)=\{\square\end{array} \) Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE

Cryptography is defined as: The practice of encoding information so only authorized people can read it 1 Sensitive information sent over networks that needs to be secured Verified authority to view information, such as a password or key The act of stealing personal information online

What should you do if you are a victim of cyberbullying? A. Respond to the bully B. Keep a record of messages received (print or take screenshots) C. Reach out to parents, teachers, counselors, and school administrators D. Block communication from the bully (if possible) O A only B A, B, C and D B B, C, and D B and C

APA, Chicago, and MLA style refer to: (required) Call numbers Article Indexes Library classification systems Formats for documenting the sources used in a paper Not sure

Why can it be inferred that Scythian tribe members vere strong and brave? A They lived in the mountains of Southern Siberia. B They hunted both real and imaginary beasts. They endured pain to get full-body tattoos. They preferred tattoos with complex designs.

De acordo com sua visão, qual é a importância social dos trabalhos desenvolvidos de forma vo- luntária por ONGs como a Anjos da Noite? Justi- fique sua resposta.