16000000000000.
Hope it helped
The sum is 12x3+18x2-10x+8
The answer is C.
Because it is closest location relative to the sea!
6-4(2/3)
5(3/3)-4(2/3)
1(1/3)
13=w-14/2
divide 14 by 2
13=w-7
add 7 to the other side (inverse)
20=w
OPTIONAL: switch the equation around
w=20
