Please help me, Ive been on this for almost half an hour ;( which explicit formula describes the sequence −9, −3, 3, 9, 15, …?

Group of answer choices

an = 9n + 6

an = 6n + 15

an = 6n - 15

an = 9n – 6

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

Witch represents the inverse of the function f(x)=1/4x-12