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To find the value of a divide the coeffecient of x. Here this would be 6/2 which = 3. If we were to expand (x + 3)^2 + b this would give us:x^2 + 3x +3x + 3^2 +b which simplifies to x^2 + 6x + 3^2 + b. If...

Mitochondria are organelles which are present in all cells. They are the sites for cellular respiration which provides an organism with energy.

The "passato prossimo" refers to events that are completed, but have some relation to the present.  Events which happened long ago can still be expressed in this tense when the event is seen as ...

Fracking is a process which extracts natural gas efficiently, reducing our dependency on coal as an energy resource. However, the fluid used within the process is toxic and can contaminate air and water s...

The concentration is higher in the soil. The process of active transport is used to move molecules against the concentration gradient (from a low to a high concentration). Therefore the concentration of i...