The answer to your question is = 148.06
answer:
the answer to the question is c) 14.1
2.40 before a 30% discount is 0.72
4)
the arrow touches the ground when the heigth is 0
so we need to replace h=0 and solve for t

<em>the arrow tuches the ground at 3.4 seconds</em>
5)

replacing

<em>solve for m</em>

<em>the mass is 13.50Kg</em>
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h=4 because 4+6=10 and 10/5=2