Aswim pass costs $30 for the first month. each month after that, the cost is $20 per month. riley wants to swim for 12 months.

1. the sequence for this situation is arithmetic. what is the first term of this sequence?
2. what is the common difference?
3. the 12th term will be the amount riley spends for a one-year swim pass. write the equation for finding the total cost of a one-year swim pass.
4. what is the total amount of money riley will spend for a one-year swim pass?

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