Sarah has a wall hanging in the shape of a parallelogram. what is the height of the wall hanging if its area and base are 300 square centimeters and 20 centimeters respectively?

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

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?