Assume that demand for a commodity is represented by the equation
P = 75 - 2Qd
Supply is represented by the equation
P = 4Qs - 15
where Qd and Qs are quantity demanded and quantity supplied, respectively, and P is price.
a. Using the equilibrium condition Qs = Qd, determine equilibrium price.
b. Now determine equilibrium quantity.

Cosmetic profits. sally is the executive vice president of big name cosmetics company. through important and material, nonpublic information, she learns that the company is soon going to purchase a smaller chain of stores. it is expected that stock in big name cosmetics will rise dramatically at that point. sally immediately buys a number of shares of her company's stock. she also tells her friend alice about the expected purchase of stores. alice wanted to purchase stock in the company but lacked the funds with which to do so. although she did not have the funds in bank a, alice decided to draw a check on bank a and deposit the check in bank b and then proceed to write a check on bank b to cover the purchase of the stock. she hoped that she would have sufficient funds to deposit before the check was presented for payment. of which of the following offenses, if any, is alice guilty of by buying stock?

Emily spent her summer vacation in buenos aires, argentina, where she got plastic surgery for a fraction of what it would cost in the united states. this is an example of:

In macroeconomics, to study the aggregate means to study blank