Is the answer retrospective *just checking*

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

The area of a circle is equal to 1 dm². find the radius of the circle.

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.