If an object is dropped from a height of 55 feet, the function d =-16t^2+ 55 gives the height of the object after t seconds. Graph this function. Approximately how long does it take the object to reach the ground (d = 0)?

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)