If a table is 1.00 0.01 m above the floor and the impact point is 1.50 0.02 m horizontally from the gun, what is the velocity of the ball when it

If a table is 1.00 ± 0.01 m above the floor and the impact point is 1.50 ± 0.02 m horizontally from the gun, what is the velocity of the ball when it leaves the gun (including uncertainty)? What is the time of flight (including uncertainty)?