Answer:
The height of the tree is 30 feet
Step-by-step explanation:
Let
h ----> the height of the tree
we know that
The tree casts a shadow that is 27 feet long
Your friend is 5 feet tall and casts a shadow that is 4.5 feet long
so
using proportion
Find out the height of the tree

<u>Understanding:</u>
This can be easily solved by using the distance formula which is

distance
coordinates of the first point, in our case it is 
coordinates of the second point, 
<u>Solution:</u>
<u></u>
<u></u>
The distance between the two points is 5.
Is there any options or numbers on how much she paid?
Answer:
yes they can fly ,maybe in the movie it decide to walk in the movie but actually they normally they fly