double check and need answer for part D

A stock has a beta of 13 and an expected return of 10 percent. A risk-free asset currently earns 34 percent a. What is the expected return on a portfolio that is equally invested in the two assets? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Expected return 6.70 b. If a portfolio of the two assets has a beta of 32, what are the portfolio weights.? (Do not round intermediate calculations, Enter your answers as a percent rounded to 2 decimal places.) Stock Risk frossel Portfolio Weight 24 621 75,38% c. If a portfolio of the two assets has an expected return of 1150 percent, what is its beto? (Do not round Intermediate calculations. Round your answer to 4 decimal places.) Bota 12MX c. If a portfolio of the two assets has an expected return of 1150 percent, what is its beta? (Do not round intermediate calculations. Round your answer to 4 decimal places.) Beta 12300 d. If a portfolio of the two assets has a beta of 141, what are the portfolio weights? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Stock Rask free asset Portfolio Weight % %