Me and Probabilitys are having a problem

Ive got a few questions if someone could help out. Thanks so much. I love this site.

1. In one town of 54% democrates of 2 randoml y selected for a survey. Find the probability that they are both democrates??

2. Find the probability of correctly answering the 1st 2 questions on a multiple choice test if random questions are made and each question have 5 possible answers?

3. You are dealt 2 cards from a shuffled deck of 52 playing cards. find the probability that both cards will be black.

If you could show the break down so i can get the consept.. Thank you. I wish i could help someone. Not in this subject.