AB = 7.9cm; AC = 3.8cm; BC = 4.8cm and JK = 5.7cm.

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!

hope this !

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