If Q is between P and R, then PQ+QR=PR what is the propety

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

What is the equation of the graph below? y=sec(x)-4

Which of the following is not a subset of {1,2,3}?