can you please help me with the possible answers?

1. Under forward market hedge companies receivables and - payables A. Long: short B. Short; long C. Short; short D. Long; long E. None of the above 2. Under options contract receivables are hedged by --- and payables are hedged by A. Call options: put options B. Put options, call options C. American options, European options D. Europeans options: American options E. None of the above 3. The law of one price must hold in arbitrage equilibrium. A. True B. False C. May be true D. May be false E. None of the above 4. Type of unit which guarantees that all buying and selling will be made by traders of exchange is called A. trading house B. guarantee house C. clearing house D. professional house 5. Two alternative expected returns are compared with help of A. coefficient of variation B. coefficient of deviation C. coefficient of standard D. coefficient of return 6. Risk on a stock portfolio which cannot be eliminated or reduced by placing it in diversified portfolio is classified A. diversifiable risk B. market risk C. stock risk D. portfolio risk 7. For a foreign exchange of specific currency, non-hedged position is classified as A. open position B. close position C. currency long position D. currency short position as