Doing Essay Contest on WordPress, how feasible?

We are creating a site to be use as a essay contest/competition and we require entry users to fill a form and write essay why they want this gift and submit it and the submitted essay should be seen or collected from the front/WP admin area of the site. Now,
1. Is it feasible with WordPress?
2. how can I achieve this with WP?
3. What plugins will I use to achieve essay contest?
4. How can WPMU aid me achieve this?

Thank you for your kind support.