need all work done on a doc(or whatever you prefer) and labeled 1-5 with work sh

need all work done on a doc(or whatever you prefer) and labeled 1-5 with work shown.
Explain why the dominant strategy equilibrium in an English auction is also the Nash equilibrium.
What is the difference between the optimizing strategies used in an English auction and a Dutch auction?
What is the difference between the two types of sealed bid auctions?
Robert is participating in a Dutch auction. If he values the item being auctioned at $5,500 and there are five bidders in total, what should Robert’s optimal bidding strategy be?
Isabella is participating in a first-price auction for a house. If there are five other bidders and her maximum willingness to pay for the house is $60,000, what is her optimal bidding strategy?