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angles that add up to 180°
the range of values (class) that is most commonly found in a data set.
a rule applied to variables to make an equation, so that there is only one answer (output value...
the number being repeatedly multiplied in a power. In the power 23= 2 x 2 x 2, the 2 is the base...
the notation (standardised set of rules and symbols) that allows us to describe functions.