Please show work/ formulas in Excel and explain

Spreadsheet 6.3 Performance of a portfolio invested in the stock and bond funds Covariance between the returns of the stock and bond funds Spreadsheet 6.3 What is the expected return on the portfolio invested 40% in the stock fund and 60% in the bond fund? Type your answer... 2 points Spreadsheet 6.3 What is the standard deviation of the portfolio? Type your answer... 2 points Spreadsheet 6.4 What is the covariance of the portfolio? Type your answer... 2 points Spreadsheet 6.4 To prevent error carried forwards, assume that the standard deviation on the stock fund is 25% and the standard deviation on the bond fund is 15%. What is the correlation coefficient? Type your