The Solution:
Given:

Required:
To write the given equation in the form below:

Clearly, the given equation is already in the required form.
The parameters are:
5+4=9
9+4=13
13+4=19
Answers is 4
Angle 1, 4, and 8 are all congruent to angle 5. The last choice would be correct.
The equation you need to find x is,
.
Then solving for x gives you
.
Hope this helps.
I count 4 green stars and 6 red stars
ratio of green to red would be
4 green : 6 red
4:6
if you divide both numbers by 2, cause theyre both even
2:3