Why would it be appropriate to express a ratio of 7 to 9 but not a ratio of
7 to 14? EXPLAIN PLEASE ＞﹏＜!

Eric drew a scale drawing of a country park. the scale he used was 1 inch = 2.5 yards. the picnic area is 80 yards wide in real life. how wide is the picnic area in the drawing ?

What is the size of the matrix resulting from

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