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3 x ((2x + 5) /3) = 11 x 32x + 5 = 33(2x + 5) - 5 = 33 - 52x = 28 (2x) /2 = 28 / 2x = 14

(x+14)(x+2)=0
x=-14, x=-2

There is variation naturally present between members of a species. These variations can prove advantagous, thus making an individual in a species better adapted for survival. For example, giraffes with a ...

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Respiratory surfaces must be thin (such as in alveoli which have walls that are 1 cell thick) to create a small diffusion distance for the gases to be exchanged through. They must also have a large surfac...