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an investment that is paid back in regular payments.
a number which combined with its inverse results in the identity 1, e.g. 4 × ¼ = 1.
the axis of symmetry in a hyperbola that joins the vertices of the two branches.
in set theory, an intersection refers to all the elements that overlap between two or more sets...
a method of displaying a frequency distribution in the form of a table with rows and columns to...
a quadratic expression or equation using one or more of the symbols <, >, ≤, or ≥.