In complete sentences and 2 paragraphs, describe one thing Amos did wrong to make himself go out of business and what might he have done to continue his business even after Shark Tank rejected him.

What is the foundation for proper monitoring, load balancing and routing in distributed systems

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.

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.