Answer:
A
Explanation:
estuary is the tidal mouth of a large river, where the tide meets the stream.
A. Both sides dug trenches so it was almost impossible for either side to advance.
9y - 77 = 12x - 28
therefore you first need to find x:
7x + 12 = 12x - 28
-5x = -40
x = 8
then you use x = 8
9y - 77 = 12×8 - 28
9y = 96 - 28 + 77
9y = 145
y = 16.11
Answer:
i think it is the inner core
Explanation: