Answer:
C
Step-by-step explanation:
Given
![\sqrt[4]{81y^{12} }](https://tex.z-dn.net/?f=%5Csqrt%5B4%5D%7B81y%5E%7B12%7D%20%7D)
= ![\sqrt[4]{3^{4} }](https://tex.z-dn.net/?f=%5Csqrt%5B4%5D%7B3%5E%7B4%7D%20%7D)

= 3y³ → C
Twice means two times something so2a. Four more than means adding for so your answer is 2a+4
The order of locations from highest to lowest is Caspian sea, lammefjord, Trins Alexanderpolder, Fenland, Raczki
Explanation:
The order of the locations from highest to lowest can be determined using the values of meters below sea level.
From the data, the highest to lowest value can be written as
28 meters
8 meters
7 meters
4 meters
2 meters
Thus, from the data, the locations from highest to lowest can be written as
Caspian sea
Lammefjord
Trins Alexanderpolder
Fenland
Raczki
The answer is (4x11)-7 i believe