year to date, company y had earned a 7 percent return. during the same time peropd, company r earned 9.25 percent and company c earned -2.25 percent. if you have a portfolio made up of 35 percent y, 40 percent r and 25 percent c, what is your portfolio return

Your mother's well-diversified portfolio has an expected return of 12.0% and a beta of 1.20. she is in the process of buying 100 shares of safety corp. at $10 a share and adding it to her portfolio. safety has an expected return of 15.0% and a beta of 2.00. the total value of your current portfolio is $9,000. what will the expected return and beta on the portfolio be after the purchase of the safety stock?

Which actions can you improve your credit score? (multiple can be selected)having a good credit score should be your prime objective as credit companies analyze your creditworthiness before giving you a loan. there are certain guidelines you can follow to ensure you have a good credit score. always pay your mortgage interest on time. if you are a student, make student loan inquiries before taking any loan. if you have multiple credit cards, manage them judiciously. maintain a healthy balance in your bank account.1. always pay your mortgage interest on time.2. if you are a student, make student loan inquiries before taking any loan.3. if you have multiple credit cards, manage them judiciously.4. maintain a healthy balance in your bank account.

Describe three scenarios in which you might utilize mathematics to investigate a crime scene, accident scene, or to make decisions involving police practice. be sure to explain how math is used in police as they work through each scenario.