Can someone please help, or explain how to find marginal cost, total revenue and total profit

The new york stock exchange is an example of what type of stock market?

Amanda works as an industrial designer

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