HELP HELP! PLEASE ASAP Which set represents the domain of the function shown?
{(-3, 6), (0, 2), (4,7), (11, 15)}
O {(6,-3), (2,0), (7,4), (15, 11)}
O {2, 6, 7, 15}
O {-3, 0, 2, 4, 6, 7, 11, 15}
O {-3, 0, 4, 11)

Can somebody me out with this question

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.