Answer:
Part a)

Part b)

Step-by-step explanation:
Initial speed of the launch is given as

angle = 30 degree
Now the two components of the velocity


similarly we have


Part a)
Now to find the time of flight we will have



Part b)
Distance at which the ball will land is given as



Part c)
Since x direction there is no acceleration so it will move with uniform speed while in y direction it will accelerate due to gravity