Sophia bought items from the bake sale at school. She bought a sea salt caramel brownie for $1.94 and a dozen chocolate chunk cookies. The total cost before tax was $9.98. How much was each cookie?

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

How many ordered pairs of positive integers satisfy xy=32?