With no advertising your newspaper has a circulation of 8000 papers. for each dollar you spend on advertising, your newspaper circulation increases by 5 papers. you earn a profit (taking into account advertising expense) of 7 cents for each paper sold, but you must pay $400 to have the papers delivered. find a formula that gives the total profit p, in dollars, that you earn if you spend a dollars on advertising.

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.