/** Homework 3:* @Author you name here..* Goal: finish the code in eachfunctions to provide priority queue.* Note that in this class,PriorityQueue class in java library is not allowed to
Research the fall of the Berlin Wall. In 1-2 pages, briefly summarize the significance of this event to our global economy. Remember to cite your sources using proper APA notation.
<br/><img src="https://media.cheggcdn.com/media%2F539%2F539aeabc-b4ca-47cc-bcfb-9300b064c4fc%2Fimage.png" alt="Find the domain and range and describe the level curves for the function fouy) 6) f(x, y) 6x2 6x2+8y2-e 6x2+8y2 c 6x2+ 8y2 c points in the xy-plane;