2.
of the factors of a product considered in relation to a specific factor
4.
to variation or changes
9.
order, nature, or effect
11.
formal statement of the equality or equivalence of mathematical or logical expressions
14.
involving only multiplication, division, addition, and subtraction and only a finite number of times
15.
any real number that cannot be expressed as a simple fraction
17.
number that is not a fraction; a whole number.
18.
a decimal number with a finite (fixed) number of digits after the decimal point
