Question: combinatorics, math 12. please show your work 9. The coach from a soccer team of 15 players must select 1 1 players for the start

combinatorics, math 12. please show your work

9. The coach from a soccer team of 15 players must select 1 1 players for the start of a game. a) Of the 1 1 players he must select 1 player as the field captain. How many ways can the coach make these selections. * =(t)lor ! ner = n! 151 =(15-10).x11! II! 151 1I CI=( 11-1)!"! - 4! = 11! 365 1365 x 11 15 0IS a ) 15 015 2 marks b) Before the game all players line up in a straight line for a team photograph. If 2 players, Michaela and Aleah must be together, then how many different arrangements can be made for the picture

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