Ineed to see work and answer so i can copy the work and answer plz make it clear to me plz me plz i dont want to fail

(a) (i)  In first 4 minutes Mary's speed was 600 / 4 = 150 m / minute

    (ii)  in last 4 minutes her speed was (1000-600) / 4 = 400/4 = 100 m/min

(b) Marys average speed for the whole journey = 1000/8  = 125 m/min

(c) 200 m

(d) Peter arrived at school after 7 minutes . Mary took 8 minutes. Peter first.

(e) Where they met is given by where the 2  curves  intersect. That is at time 6.8 minutes and 880 m from Mary's home

(f) At t= 4 dsitance between then is 600 - 400 = 200 m

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all the angles opposite to the angle 150 would be 150 and all the angles that are next to 150 are 30 because they equal 180 it you add it up.

step-by-step explanation: