Can someone help me with getting the actual answers please I’m fed up of just random sentences

1) Describe the journey of the object with the displacement-time (S-t)

2) determine the velocity of the object at t=2 and t=5 (5marks)

3)determine the adversary speed
Between t=1 and t=6

4)a partial travels in a circular path of radius
80cm. It starts from point a and takes 8 seconds to travel once around the circle.
Calculate the
average speed of particle
Average velocity from a to b