What is the expected return on Equities?

Q$3$

If your answer is a $\%,$ enter as a decimal to $4$ decimal places e$.$g$.$ if your answer is $5\mathrm{.}23\%,$ enter $0\mathrm{.}0523.$ If your answer is a whole number, enter to $2$ decimal places e$.$g$.$ if your answer is $11\mathrm{.}4578,$ enter $11\mathrm{.}46.$

What is the standard deviation of Bonds?

Given the correlation between Equities and Bonds is $-0\mathrm{.}827($negative correlation$),$ what is their covariance?

We want to construct a portfolio$-$weighted $30\%$ in equities and $70\%$ in bonds. What is the portfolio's expected return?