An above ground swimming pool is leaking. after 1/2 hour the pool has leaked 7/8 of a gallon of water. how many gallons of water per hour is the swimming pool leaking

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x