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an expression consisting of one or more algebraic terms.
the difference between any two consecutive terms in an arithmetic sequence. The constant...
a statistical average; the sum of all the values divided by the number of values.
an angle for which you can determine the trigonometrical ratio without the use of a calculator...
the value of one currency for the purposes of converting the value to that of another currency...
the amount by which a value changes, expressed as a function of time.