Which of the following is a category of authentication tools?

a. something you want
b. something you have
c. something you hear
d. something you see

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.

Uknow what i love about i ask a dumb question it is immediately answered but when i ask a real question it take like an hour to get answered

*will mark brainliest! * when a company spends resources (labor, money) to give customers "free" items, those costs are called a. investment costs b. economic costs c. scarcity costs d. opportunity costs answer asap!