Both sides of an equation have linear expressions. the graph of one line has a positive slope. the graph of the other line has a negative slope. what are the possible number of intersections for this system? 0 1 2 infinite

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

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 - 2xdesmond 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