Volume in barrels of a tank 38.622 feet in diameter by 16 feet in height

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.

30 points if you answer all 3 questions with work!

Ofis to ? o y=-3x-4o y=-3x+(-4)o y=-4 + 3xoy=-4-3x