Please show what formula was used/work?

show formulas used/ work

2. If the risk-free rate is 6.9%, the market risk premium is 7.0%, and the expected return on Security J is 29.4%, what is the beta for Security J? (Calculate your answer to two decimal places.) Title: Preferred stock (solve for value) 3. Timeless Corporation issued preferred stock with a par value of $700. The stock promised to pay an annual dividend equal to 19.0% of the par value. If the appropriate discount rate for this stock is 10.0%, what is the value of the stock? Title: Supernormal growth (three years g(s)) 4. Growing, Inc. is a firm that is experiencing rapid growth. The firm yesterday paid a dividend of $5.60. You believe that dividends will grow at a rate of 24.0% per year for three years, and then at a rate of 10.0% per year thereafter. You expect that the stock will sell for $177.59 in three years. You expect an annual rate of return of 18.0% on this investment. If you plan to hold the stock indefinitely, what is the most you would pay for the stock now