Answer:
Mount Everest rise
above sea level.
Step-by-step explanation:
Given:
Mountains are often measured by the distance they rise above sea level.
Mount Washington rises more than
miles above sea level.
Mount Everest rises about 5 times as high.
Now, to find the miles above sea level is Mount Everest.
So, the miles of Mount Washington rise above sea level = 
And, Mount Everest is 5 times high of Mount Washington:
Now, to get the miles above sea level is Mount Everest rise we multiply 5 by the miles of Mount Washington rise above sea level:

Therefore, Mount Everest rise
above sea level.