How would you simplify y-5=3(x-1) graph

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

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.