I need help with these finance questions ASAP

Attempts Keep the Highest/1 1. Problem 8.02 Click here to read the eBook: Risk in a Portfolio Context: The CAPM PORTFOLIO BETA An individual has $25,000 invested in a stock with a beta of 0.6 and another $45,000 invested in a stock with a beta of 1.8. If these are the only two investments in her portfolio, what is her portfolio's beta? Round your answer to two decimal places. Grade it Now Save & Continue Continue without saving Attempts Keep the Highest/1 2. Problem 8.03 Click here to read the eBook: The Relationship Between Risk and Rates of Return REQUIRED RATE OF RETURN Assume that the risk-free rate is 2.5% and the required return on the market is 13%. What is the required rate of return on a stock with a beta of 2.2? Round your answer to two decimal places. % Grade it Now Save & Continue Continue without saving Attempts Keep the Highest / 2 3. Problem 8.04 Click here to read the eBook: Stand-Alone Risk EXPECTED AND REQUIRED RATES OF RETURN Assume that the risk-free rate is 6.5% and the market risk premium is 3%. a. What is the required return for the overall stock market? Round your answer to two decimal places. % b. What is the required rate of return on a stock with a beta of 1.7? Round your answer to two decimal places. % Grade it Now Save & Continue Continue without saving