function exerciseOne(){ // Exercise One: In this exercise you are given an object called 'mathHelpers' // Within mathHelpers, create a method called 'double' // This method should take one parameter, a number, // and it should return that number multiplied by two. let mathHelpers = { // Create double method in here.

Write a method named addall that could be placed inside the hashintset class. this method accepts another hashintset as a parameter and adds all elements from that set into the current set, if they are not already present. for example, if a set s1 contains [1, 2, 3] and another set s2 contains [1, 7, 3, 9], the call of s1.addall(s2); would change s1 to store [1, 2, 3, 7, 9] in some order. you are allowed to call methods on your set and/or the other set. do not modify the set passed in. this method should run in o(n) time where n is the number of elements in the parameter set passed in.

Which is the highest level of the hierarchy of needs model? a. humanity b. intrapersonal c. team d. interpersonal

Select the correct answer. peter has launched a website that features baby products. however, clients often find they are unable to access the website because the server is down. which feature of cybersecurity should peter focus on for his website? a. data authenticity b. data privacy c. data availability d. data integrity e. data encryption