When you add two rational numbers, each number can be written as a?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is