If y varies inversely as x, and y =23 when x=8, find y when x=4

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.

Which of the following actions would be most likely to reduce potential conflicts of interest between stockholders and bondholders? a) compensating managers with stock options, b) financing risky projects with additional debt, c) the threat of hostile takeovers, d) the use of covenants in bond agreements that limit the firm's use of additional debt and constrain managers actions, e) abolishing the security and exchange commission

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real