The manger of a large store notices that there are 72 customers waiting to be check out, spread across 9 different check-out lines. select all of the scenarios that would be proportional to what the manger saw.

What is the perimeter of a rectangle if the length is 5 and the width is x?

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Walgreens sells both kleenex and nyquil. in a random sample of 5000 purchases, it was found that 1200 contained kleenex and 540 contained nyquil. these are not independent because sick people are more likely to buy both and healthy people more likely to buy neither. in looking into that, it was found that 360 purchases contained both. a. make a two-way table to display this information. fill in the table with the missing entries, and be sure your table has row and column totals. b. if we randomly select a purchase that contained kleenex, what is the probability it also contained nyquil? c. what percent of all purchases didn’t contain either product?