Anyone wanna talk about polotics?i didnt spell that right sorry

One investigating company tracked all credit card purchase during 2012 and measured two variables: (1) the type of credit card used (visa, mastercard, american express, or discover), and (2) the amount (in dollars) of each purchase. identify the level of each variable measured.

The fiscal 2016 financial statements of nike inc. shows average net operating assets (noa) of $8,450 million, average net nonoperating obligations (nno) of $(4,033) million, average total liabilities of $9,014 million, and average equity of $12,483 million. the company's 2016 financial leverage (flev) is: select one: a. (0.477) b. (0.559 c. (0.323) d. (0.447) e. there is not enough information to determine the ratio.

Atennis club charges a monthly membership fee of $150 and charges it members $10 per hour to use a court. there's also $500 fee to become a member. stella joined the tennis club last spring, and she has been a member for 5 months. she has been playing 10 hours of tennis each month. stella values an hour of her time at $20. during a boring afternoon meeting, stella thinks about reserving a court to work on her serve for an hour tonight. what's stella's opportunity cost of working on her serve for an hour?