What is the explicit rule for the sequence?

10.5, 9, 7.5, 6, 4.5, 3, ...

an=12−1.5n
an=12+1.5n
an=12.5−1.5n
an=11−1.5n

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

What is the frequency of the sinusoidal graph?

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.