PLEASE HELP STUCK!!suppose there is a weekly raffle with 200 tickets sold each week. you play every week for a year and buy one ticket each time? A. If winning is only twice. What is your experimental probability of winning the weekly raffle?
B. What was the theoretical probability of winning the raffle weekly?

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.