In solving an equation with variable x, if you eliminate the variable and obtain the statement such as -6= -6, the equation is
for every value of x. The solution set can be expressed in set-builder notation as

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.

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answer:
congruent segments
step-by-step explanation:
congruent segments. take a line, cut it in half, superipose one half over the other half; you'll have congruence.