The minimum number of instances of entity b that may be associated with each instance of entity a defines the:

Torino company has 1,300 shares of $50 par value, 6.0% cumulative and nonparticipating preferred stock and 13,000 shares of $10 par value common stock outstanding. the company paid total cash dividends of $3,500 in its first year of operation. the cash dividend that must be paid to preferred stockholders in the second year before any dividend is paid to common stockholders is:

Helen tells her nephew, bernard, that she will pay him $100 if he will stop smoking for six months. helen was hopeful that if bernard stopped smoking for six months, he would stop altogether. bernard stops smoking for six months but then resumes his smoking. helen will not pay him. she says that the type of promise she made cannot constitute a binding contract and that, furthermore, it was at least implied that he would stop smoking for good. can bernard legally collect $100 from helen

Which is the most compelling reason why mobile advertising is related to big data?