Can someone help me with these questions my head hurts

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?