The height of the volleyball through the air can be modeled by the function, `f=-16t^{2}+48t+3 , where t is the time in seconds of the ball being airborne. How long does it take for the ball to reach its maximum height in the air? What is the maximum height of the ball at this time?

Pls brainliest will be awarded if answer is correct

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

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details