1-5 answers pls

1) If the financial markets are semi-strong form efficient then this means: A) The price of the stock reflects all past information B) The price of the stock responds to publically available information C) The price of the stock reflects all non-public available information (D) All of the above 2) If the covariance of security & and security j is 280%, the variance of security j196%, and the variance of is 256%, determine the variance of the portfolio A) 390% B) 452% C) 325% D) None of the above 3) According to the Modigliani and Miller (M\&M) as we are adding more debt to the capital structure the cost of eapital will: A) decrease B) increase C) remain the same D) None of the above 4) If the risk free rate is 4:00%, risk premium of the market is 8.00%, and beta is.90, then the expected return is : A) 11.20% B) 8.20% C) 10.20% D) None of the above 5) According the traditional model on capital structure as we add debt to the capital model the cost of capital; A) the cost of capital goes up B) the cost of capital stays the same C) the cost of capital goes down D) none of the above