11. Which matrix represents the system of equations below? (I point) 8x-9y+13z=11. -8x-5y+5z=15 3x+4y-8z=-10
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Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

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The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.