Eight students (Anna, Brian, Carol, ...) are to be seated arounda circular table with eight seats, and two seatings are consideredthe same arrangement if each student has the same student to theirright in both seatings.(a) How many arrangements of the eightstudents are there?(b) How many arrangements of the eight studentsare there with Anna sitting next to Brian?(c) How many arrangementsof the eight students are there with Brian sitting next to bothAnna and Carol?(d) How many arrangements of the eight students arethere with Brian sitting next to either Anna or Carol?
please explain how u got the numerical answer for each part,like what you multiplied to get it
