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two or more shapes being absolutely identical in shape and size.
the ratio of vertical replacement to the horizontal replacement of a straight line; or the slope...
statistical data organised in a table. The data may be grouped or ungrouped.
the axis of symmetry in a hyperbola that separates the two branches.
an increase or decrease in the number of individuals in a given population, usually expressed as...
a periodic function is one that repeats after a given interval. The period is therefore the...