Most of the united states is situated in which zone of prevailing winds westerlies
Answer:
n=14
Explanation:
These ratios can also be written this way:

cross multiply and you get:
7x18=9n
126=9n
n=14
Cosmology is the study of the universe, including its origin, nature, and evolution.
Geology is the study of rocks found on earth and the changes it underwent as a result to the changes that occurred on earth.
Meteorology is the study of the atmosphere. It is an interdisciplinary scientific study.
U_____________W________________V
UV=13
UW=2y-9
WV=y-5
UV=UW+WV
UV=(2y-9)+(y-5)=2y-9+y-5=3y-14
13=3y-14
27=3y
y=27/3=9
Solution is A, y=9