Could somebody with this question?

the coach from a soccer team of 15 players must select 11 players for the start of a game.
a) of the 11 players he must select 1 player as the field captain. how many ways can the coach make these selections?

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?

a) 15015

b) 87,178,291,200

Step-by-step explanation:

Since we have given that

Number of players in a soccer team = 15

Number of players for the start the game = 11

Out of 11 players, the number of player as the field captain = 1

So, Number of ways that the coach make these selections is given by

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.

So, MA would be together.

So, Consider MA be 1 unit.

so, remaining members = 15-2 = 13

Total members after including MA as 1 unit = 14

Number of arrangements that can be made for the picture would be

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