Which social networking service did people from around the world use to participate in the Social Good Summit?

Which economic system could be characterized by the "iron fist", meaning a central authority figure has control over most of the economy? market economy command economy traditional economy free enterprise economy

The following extract was taken from the worksheet of special events bakers for the year 2019. special events bakers worksheet december 31, 2019 account names cash equipment accumulated depreciation minus− equipment unadjusted trial balance debit credit $ 6 comma 800$6,800 15 comma 20015,200 $ 8 comma 500$8,500 adjusted trial balance debit credit $ 6 comma 800$6,800 15 comma 20015,200 $ 10 comma 000$10,000 for the above information, determine the amount of depreciation expense for the equipment used in the business

Kumar consulting operates several stock investment portfolios that are used by firms for investment of pension plan assets. last year, one portfolio had a realized return of 12.6 percent and a beta coefficient of 1.15. the average t-bond rate was 7 percent and the realized rate of return on the s& p 500 was 12 percent. what was the portfolio's alpha?