Stuck on this problem and don't know how to do it.

3. The picture below shows the atmospheric pressure in hPa in Europe and the North Atlantic on October 12, 2021. (a) What is the atmospheric pressure in Helsingborg? (b) Standing in Helsingborg, in what direction is the atmospheric pressure increasing the fastest? What is the rate of increase in this direction? (Remember units.) (c) A ships sails from Helsingborg towards the castle of Hamlet at a speed of 8 m/s. At what rate is the atmospheric pressure changing along the route? (Remember units.) (d) How many local maxima and how many local minima of the air pressure function are marked on the map (e) Bonus (not for credit): can you locate any saddle points? Analysis chart Met Office Valid 1200 UTC Tue 12 OCT 2021 10 16 1068 991 M 1012 1011 1020 1004 1025 1008 1012 1020 1024 Oz Or 1011 008 1016 H X 1005 1021 M -1016 9TOT 1012/ 1024 012 ZIOT TOT 003 1020 1030 1024 008 H 1018 1008 993 1012 1016 H 1012 1016