Aferris wheel can accommodate 40 in 30 minutes. how many people could ride the ferris wheel in 3 hours? what is the total rate per hour?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

A. the following events are mutually exclusive: living in california and watching american idol. true or false b. the number of patients seen by an outpatient practice is an example of a discrete random variable. true or false c.the law of large numbers states that as the number of times an event experiment is conducted increases, the likelihood of the actual probability of an event approaching the theoretical probability decreases. true or false d. measuring the time it takes for patients to enter the operating room is an example of a continuous random variable. true or false

If a and b are real numbers, then |a-b| is always, sometimes or never equal to |b-a| ?