Let's restate your first sentence: the length of AB is 15 cm.
For dilation, we would have to multiply 15 by 0.4 and that would lead us to our answer: 6 cm. Hope this helps!
Since there are 16 oz in a pound, it would be 1/16
I know b is James, Olivia, Feng, Carmela
I hope this is help full to you
