please help

Stock A has an expected return of 12% and a standard deviation of 45%. Stock B has an expected return of 18% and a standard deviation of 65%. The correlation coelficiene between 5 tocks A and B is 02 . What is the expected return of a poitfolio anvested 30% in 5 tock A and 70% in Stock B? Do not round intermediate calculations. Round your answer to two decimal places. What n the standard deviation of a porviolo imvested 30% in 5 tock A libd 70% in Stock 6 ? Do not round intermediate calculations. Round your answer to two decamal places