What is the y-intercept of the graph of the equation ?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

According to the data set, where should the upper quartile line of the box plot be placed?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length