3/12. Exercise 12.18 Jaa Sulje Kirjaudu sisään lähettääksesi tämän lomakkeen Which of the following are directly proportional quantities? a) The waist circumference and mass of a person. Answer: This is is not a directly proportional quantity b) The radius and area of a circle. Answer: This is is not a directly proportional quantity c) Weight in grams and pounds. Answer: This is is not a directly proportional quantity d) Finnish time and English time Answer: This is is not a directly proportional quantity Kirjaudu sisään lähettääksesi tämän lomakkeen