You throw a ball straight up from a rooftop 40 feet high with an initial speed of 48 feet per second. The function s(t) = -16t^2 + 48t + 40 models the​ ball's height above the​ ground, s(t) in​ feet, t seconds after it was thrown. During which time period will the​ ball's height exceed that of the​ rooftop? When will the ball exceed the height of the​ rooftop?

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