Please help (Click on photo)

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

Subject: geometryneed with 6 and 7