I need help with this

How do you find principle and simple interest

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

You have a credit card with a balance of 1 367.90 at a 9.5% apr. you pay $400.00 each month on the due date until the card is paid off what is the total amount paid including interest?