can you please solve this question with proper calculations and correctly and please do it as fast as you can I need it urgently

What would be the average annual rate of return and standard deviation for a portfolio made up of 40% weight of Power Corp stock with an expected return of 4.5% and a standard deviation of 11% and 60% weight of Onex stock with a 6% expected return and a standard deviation of 6.9%? The correlation between the two companies is 0.15