Final answer:
Rick's BMI range is 18.5-24.9, which falls within the normal weight category.
Step-by-step explanation:
Body Mass Index (BMI) is a measure used to determine a person's weight-to-height ratio and can be used to classify individuals as underweight, normal weight, overweight, or obese. The BMI range for normal weight is 18.5-24.9, overweight is 25-29.9, and obese is a BMI of 30 or higher.