Pregnant women process caffeine at about 5.6% per hour. A 12-oz. cup of a certain type of coffee has 260 mg of caffeine. Which equation represents the amount of caffeine C in a pregnant woman’s body t hours after the coffee is consumed?

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.