Market Research Associates (MRA) is a marketing and consumer research firm based in Hannover that handles customer surveys. One of its clients is a national press service that periodically conducts political polls on issues of widespread interest. In a survey for the press service, MRA determines that it must fulfill sev-eral requirements in order to draw statistically valid conclusions on the sensitive issue of German immigration policy. These are:

Elon musk is the ceo of tesla motors. musk also serves as chairman of tesla's board. according to corporate governance theory, which of the following is a logical reason why musk should serve on the board? 1. he serves on many other boards, including that of a major client of tesla.2. his is an independent director who is well positioned to monitor the company's management.3. he can easily fire board members that are shirking their duties.4. he can provide the board with valuable inside information about the firm and the industry.

An investor purchases 500 shares of nevada industries common stock for $22.00 per share today. at t = 1 year, this investor receives a $0.42 per share dividend (which is not reinvested) on the 500 shares and purchases an additional 500 shares for $24.75 per share. at t = 2 years, he receives another $0.42 (not reinvested) per share dividend on 1,000 shares and purchases 600 more shares for $31.25 per share. at t = 3 years, he sells 1,000 of the shares for $35.50 per share and the remaining 600 shares at $36.00 per share, but receives no dividends. assuming no commissions or taxes, the money-weighted rate of return received on this investment is closest to:

2. the external environment (connect)choose whether each example belongs in the general, task, or internal environment.exampleenvironmenta worldwide recession task environment / general environment / internal environmentlocal mothers asking their community grocery store to carry no-salt cheerios-type cereal for their babies task environment / general environment / internal environmentchoose the phrase that best completes the following sentence.the relationship between the task environment and the general environment is best described as: a one-way system: changes in the task environment affect the general environment, but changes in the general environment do not affect the task environment.an open system: changes in the task environment affect the general environment, and changes in the general environment affect the task environment.a one-way system: changes in the general environment affect the task environment, but changes in the task environment do not affect the general environment.a closed system: changes in the general environment do not affect the task environment, and changes in the task environment do not affect the general environment.©bloomberg via getty imagesmanagement in the newsin april 2010, the explosion of british petroleum’s (bp) deepwater horizon oil drilling rig and the accompanying oil spill dramatically changed the external environment in which all oil companies operate. the explosion released more oil than any other accidental spill in history and had a huge impact on the waters and surrounding communities of the gulf coast. the conditions that led to the spill, the attempts to stop the spill, and the clean-up and aftermath of the spill prompted debates in the u.s. senate, concern on wall street, and attention from companies all over the world.match each oil spill event with a specific dimension of the general environment.eventgeneral environment dimensionbp stock prices falling 25% during the first month after the oil spill oil seeping into pelican nesting grounds, which will place the brown pelican back on the endangered species list people moving from louisiana to oklahoma to avoid the effects of the spill