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s²​ - 18s = 0(s + 4)(s - 6) = 0s = -4 s = 6

A vitamin is a nutrient or dietary component made up by an organic molecule and required by the body in very small amounts. It acts as a co-enzyme to prevent a deficiency disease.

The subjunctive is used a lot in Spanish, and in many different instances. It is used to express doubt, wanting someone to do something or something to happen, giving an order, exp...

Freewill and determinism are ideas about the extent to which human beings are capable of having their own thoughts, making their own decisions and acting upon those decisions. There are often said to be t...

When people talk about religion they aren't only referring to major religions like Christianity, Hinduism and Judaism. These are all examples of religions, but religious systems come in a huge range of fo...