Misc: Of which country was Faisal, assassinated in 1975, king?

Questions

Which course did Homer fail in high school??

Who is Bleedin' Gums Murphy's younger brother??

How many feet around KJAZZ (Springfields jazz radio station) are occupied by its radio signals??

What beloved object does Homer sell to get counselling for his family? (There's No Disgrace Like Home).?

Who introduces Bart to Herman??