The answer is A. Scientific myths
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
It is covered with a biological community of vegetation composed of
mainly cone-bearing needle or scale-leaved evergreen trees. It is called
"land of little sticks". The forest trees in the taiga grow as tall
as the highest latitudes of other trees in other places.