Respuesta :

shannadebona

Answer:

She must ascend 30.6 to be back at sea level

Step-by-step explanation:

0-10.7= -10.7

-10.7+8.6=-2.1

-2.1-28.5=-30.6

-30.6+30.6=0

andramillen

Answer:

she needs to to go up 30.6 feet.

I might be wrong

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