17-20 please! thank you so much!

17. Assume a risk-free rate of 3.5%, a market return of 9.5%. If a stock has a beta of 9, what is the stock worth? 18. Assume the following: market return: 8.8%; risk free return 3%; beta 5. What is the market risk premium? 19. Assume a bond has a 7.5 percent coupon and matures in 10 years. If the market rate is 10 percent, what is the bond's price? 20. What is the price of a bond with a 6 percent coupon that matures in 12 years if the market rate (YTM) on similar bonds is 6%