Most nations in the world today have a) market economies b) command economies c) mixed economies d) traditional economies i will give a medal to whoever answers.

Sara bought 12 3/4 cakes sara's friends ate 3/8 how much cake is left

Stock a has a beta of 1.2 and a standard deviation of 20%. stock b has a beta of 0.8 and a standard deviation of 25%. portfolio p has $200,000 consisting of $100,000 invested in stock a and $100,000 in stock b. which of the following statements is correct? (assume that the stocks are in equilibrium.) (a) stock b has a higher required rate of return than stock a. (b) portfolio p has a standard deviation of 22.5%. (c) portfolio p has a beta equal to 1.0. (d) more information is needed to determine the portfolio's beta. (e) stock a's returns are less highly correlated with the returns on most other stocks than are b's returns.

True or false entrepreneurs try to meet the needs of the marketplace by supplying a service or product