A and B I believe.
It would be A because jump height can be found out by the amount of force you exert to get you into the air minus the gravitational force.
It would also be B because the amount of time you run on the track can be found out by dividing the track length by your speed on the track.
Hope this helps!
Answer:
y = 4x + 5
Step-by-step explanation:
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5.7 is your answer
Hope this helps.