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a statistical average; the sum of all the values divided by the number of values.
a test that determines whether or not a given graph represents a function.
the first non-zero digit in a decimal fraction. It can appear before or after the decimal comma...
(also called a rectangular prism) a 3D form in which all the faces are rectangular.
the minimum point on a curved graph is the point at which a graph changes from a decreasing...
is a trigonometric rule used to calculate the length of a side or the size of an angle in a non...