Please help this is due very soon

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Which graph represents an even function?

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.