The interaction between genes and personal environments determines whether or not certain diseases will develop.
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Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Solve 3x-18=2y and 5x-6y=6 by elimination show work

5x−4≥12 or 12x+5≤−4 can you with this problem