Suppose that you have won a free ticket to see Lady Gaga performing live.  Tickets normally sell for $200, but your free ticket has no resale value.  You are really not a Lady Gaga fan—the most you would have been willing to pay for a ticket is $35!  You really want to see Shania Twain in concert on the same night.  If you choose instead to go to see Shania Twain, which is really more your style, your opportunity cost of missing the Lady Gaga concert is:

The figure shows the market for shirts in the United States, where D is the domestic demand curve and S is the domestic supply curve. The world price is $16 per shirt. The United States imposes a tariff on imported shirts, $4 per shirt. In the figure above, with the tariff Americans buy ________ million shirts per year.

Suppose a certain country imposes a tariff on a good.  Which of the following results of the tariff  is possible?

The American Academy of Pediatrics and the Centers for Disease Control and Prevention both recommend circumcision. What evidence supports these recommendations? (Select all that are true)

The inventor of the microscope, Antonie van Leeuwenhoek, used his invention to make what important discovery related to sexuality?

Observations of other species indicate that our basic mammalian heritage is

Which of the following statements about male and female hormone systems is true?

According to the Sexual Health Principle, which of the following would be sexual rights? (select all that would apply)

Students must attend class to have their attendance verified, to remain in the course, and to have financial aid released to them, if applicable. To verify that you understand the requirements for this course and that you wish to remain in the course, you must answer “yes” to the statement below. Once you have answered “yes” to this statement, your instructor will manually verify your attendance. I have received and read the syllabus and – if applicable – the schedule for this course. I understand the requirements and policies for this course, including required course materials/textbooks, any prerequisite course requirements, technology policies, attendance and make-up work policies, grading policies and procedures (including policies related to late or missed assignments), and academic integrity expectations. After becoming thoroughly familiar with these requirements, I wish to stay in this course; I plan to remain actively engaged in the course, including attending class, submitting work, and meeting deadlines.

Lennie is a worker for Clean&Clean Co., a car wash company. It seems that the company’s business is pretty good. We observed that on average 15 customers arrive every hour. The arrival is Poisson distributed.  The average car washing time is 2 minutes per car, following an exponential distribution. What is the average number of cars waiting to be washed?