I need help really fast and quick

Find an equation of the line perpendicular to the graph.

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.