Answer:
the value of z is 4 sjsjsndndndm
I would go with
G: 4 cm
Or
J: 8 cm
Let me know if you get it correct! :)
Answer: 2.1, I don't really know how to show a model for this, its just that when you multiply 3 and 7 you get 21, when you do 0.7 and 3, you just put the decimal place between the 2 and 1.
Its a. An enlargment on a scale of 3/1.
