I HAVE NO CLUE HOW TO DO THESE PLEASE HELP

You own a stock portfolio invested 35 percent in Stock Q, 20 percent in Stock R, 30 percent in Stock S, and 15 percent in Stock T. The betas for these four stocks are 0.77, 1.15, 1.16, and 1.33, respectively. What is the portfolio beta? (Round your answer to 2 decimal places. (e.g., 32.16)) Portfolio beta You want to create a portfolio equally as risky as the market, and you have $900,000 to invest. Given this information, fill in the rest of the following table: (Round your answers to 2 decimal places. (e.g., 32.16)) Investment Beta Asset Stock A $ 180,000 0.80 Stock B $ 270,000 1.20 Stock C $328000 X 1.50 Risk-free asset $ You own a portfolio equally invested in a risk-free asset and two stocks. If one of the stocks has a beta of 1.11 and the total portfolio is equally as risky as the market, what must the beta be for the other stock in your portfolio? (Round your answer to 2 decimal places. (e.g., 32.16)) Portfolio beta