Security X has expected return of 9% and standard deviation of 18%. Security Y has expected return of 12% and standard deviation of 21%. If the two securities have a correlation coefficient of -0.4, what is their covariance

technology is the application of knowledge and tools to solve problems and perform tasks more efficiently. t/f

What are the positive environmental trends seen today? many industries are taking measures to reduce the use( _gold,carbon dioxide,ozone_) of -depleting substances and are turning to(_scarce,renewable,non-recyclable_) energy sources though they may seem expensive. choose one of those 3 option to fill the

The year-end financial statements of calloway company contained the following elements and corresponding amounts: assets = $34,000; liabilities = ? ; common stock = $6,400; revenue = $13,800; dividends = $1,450; beginning retained earnings = $4,450; ending retained earnings = $8,400. based on this information, the amount of expenses on calloway's income statement was