Can you help me with this problem please?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i