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Can someone please help me with this ? What is the change in elevation from 134 feet below sea level to 29 feet above sea level? possible choice are ; , -163 , 163 , -105 ,or 105 ,

Respuesta :

If you move from -134 feet to + 29 feet you have actually moved a distance of 134+29 feet = 163 feet. 
In this case all the signs tell you are your position relative to sea level.
AL2006
If you had to walk up stairs from the 134th parking level underground
up to the 29th floor, how many total floors would you have to climb ?

-- How many from 134 below ground up to the ground ?

-- Then how many more from the ground up to the 29th floor ?

-- How many is that all together ?

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