Below is the number of years that each of the nine Omar's Omelette Operation locations have been open. \begin{aligned} &5.2, 7.0, 10.5, 2.6, 2.9, \\ &4.5, 1.0, 1.5, 2.6 \end{aligned}
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5.2,7.0,10.5,2.6,2.9,
4.5,1.0,1.5,2.6
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Using the data, create a histogram. i Got no clue

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

Find the ratios of the corresponding sides

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.