A speedboat moving at 360 ms approaches a no-wake buoy

Question

Compute each part of given question:

Question: A speedboat moving at 36.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of -3.65 m/s² by reducing the throttle.

Part A: How long does it take the boat to reach the buoy?

s

Part B: What is the velocity of the boat when it reaches the buoy?

m/s

I don't know how to get that answer for the above problem. Please help! Thanks.