I need help on how to solve each of these questions step by step, please. I know the answers but not how to solve them.

2 5 6 3 ? 33. You invest $10,000 in a complete portfolio. The complete portfolio is composed of a risky asset with an expected rate of return of 15% and a standard deviation of 21% and a Treasury bill with a rate of return of 5% How much money should be invested in the risky asset to form a portfolio with an expected return of 11%? F6k ? 34. You invest $1,000 in a complete portfolio. The complete portfolio is composed of a risky asset with an expected rate of return of 16% and a standard deviation of 20% and a Treasury bill with a rate of return of 6%. A portfolio that has an expected value in 1 year of $1100 = 4=place 40% of $ risky portfolio &rest risk-free asset 235. You have $500,000 available to invest The risk-free rate, as well as your borrowing rate, is 8%. The return on the risky portfolio is 16%. If you wish to earn a 22% return, you should? -375k +=invest - Eborrow borrow 375k same as 33 7 2014