2. Which of the following tables represents a proportional relationship?
OA
х
5 10 15 20
y 15 30 45 60
ОВ.
х
5
8 11 17
y 15 30 4560
OC.
х
5
89
10
y
15 20 25 30
OD
х
5
6
7
8
у
10 15 20 30

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?