Can the values be added or subtracted? If one value needs to be converted to another, describe the conversion 19.75 in² + 26.2 in³. A. The values cannot be added because one is measuring area and the other is measuring volume. B. The values can be added without making a conversion of units because they both measure area. C. The values can be added after making a conversion of units because they both measure area. D. The values cannot be added because one is measuring area and the other is measuring mass.