Identify the following data as either time series or cross-sectional. (a) the 2017 ceo compensation of the 500 largest u. s. companies. (b) the annual compensation for the ceo of coca-cola enterprises from 2010 to 2017. (c) the weekly revenue for a noodles & company restaurant for the 52 weeks in 2017. (d) the number of skiers on the mountain on christmas day 2017 at each of the ski mountains owned by vail resorts.

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.