Arate that describes how much smaller or larger the scale drawing is than the real object

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m