Suppose a jar contained 19 red marbles and 12 blue marbles if you reach in the jar and pull out 2 marbles at random at the same time find the probability that they are both red right as a fraction

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Which graph represents the equation y =4x

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?