Question

2. A soccer ball is kicked upwards at a starting height of 3 feet with an initial velocity of 20 feet per second. The soccer ball makes contact with the ground (0 feet) on its way down. How long was the soccer ball in the air? How high does it reach? What time does it reach that height? At what time is it 1 foot off the ground? Round your answer to the nearest tenth of a second. someone please help me in setting up an equation for this