Let A = {x, {x}, {y}, z} Which of the following is a subset of A?

{z, y, x}

{{x}, {z}}

{x, y}

{x, {y}, z}

What is the term for water wave that is created by an underwater earthquake

Sally is editing her science report about living things. she needs to copy a paragraph from her original report. order the steps sally needs to do to copy the text to her new document.

Select the correct answer. andre was recently hired by an organization to check for system vulnerabilities. he is supposed to exploit these vulnerabilities and create a report on the extent of damage to which the system was susceptible. what position does andre hold in this organization? a. information security analyst b. information assurance manager c. penetration tester d. network security engineer e. chief information security officer