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What is the range of a bullet fired horizontally at a height of 1.5 m with an initial velocity of 120 m/s A) -9.8 m/s^2 B) about 0.55 s C) about 66.4 m D) not enough info I think it’s not enough info (D) because I don’t know how to solve this Can someone...

a 60 kg skier with an initial velocity of 12 m/s coasts up a hill. at the top of the hill, the skier is traveling at 9.75 m/s. Assuming there is no friction force in the skis, how high was the hill A) 7.35 m B) 0.25 m C) 10 m D) 2.5 m