Hi!
To solve this we can set up a proportion and cross multiply.

33 x 100 = 3300
3300/30 = 110
The answer is 110%
Hope this helps! :)
Answer:

Step-by-step explanation:
Given that the triangles are similar then the ratios of corresponding sides are equal.
To determine the scale factor calculate the ratio of corresponding sides, that is
=
= 
i think that it is the third one
Answer:
X^2 -5x -36
Step-by-step explanation:
formula of an area of a rectangle: ab
a-length
b-width
(x+4)*(x-9) = x^2 -5x -36