Please help 33 points

Ifigured out the question and i dont know what to put here

The table respent two linear functions the equation respented by the first tables is given

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.