pahelp item number 5, 6 and 7
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5. which of the following situations involve permutation?
A. matching tops and skirts
B. winninh the "suertes lotto" combination in the PCSO
C. choosing four of your classmates to attend in your birthday party
D. finding the lines formed by connecting the given points on a plane

6. find the number of distinguishable permutations of the letters of the word PASS
A. 4
B. 12
C. 36
D. 144

7. in how many ways can 8 people be seated around a circular table if two of them insist on sitting beside each other
A. 360
B. 720
C. 1440
D. 5040​