the ratio of the number of times an event occurs to the total number of trials or times the activity is performed.
proportions
A mathematical sentence stating that two ratios are equal.
additive inverse property
Two numbers whose sum is 0 are additive inverses of one another. Example
percent of error
Show error as a percent of the exact value.
supplementary angles
two angles that measure 180 degrees.
expression
A collection of numbers, symbols, and/or operation signs that stands for a number.
population
The whole group from which a sample is taken.
inference
the process of arriving at some conclusion that, though it is not logically derivable from the assumed premises, possesses some degree of probability relative to the premises.
inequality
is a mathematical sentence that uses symbols such as <, ≤,="">, or ≥ to compare two quantities.solution set
