A helicopter was - 28.4 feet below sea level in a canyon and ascended 35.2 feet. What is the location of the helicopter after it ascended?

Answer: 6.8 feet

Step-by-step explanation: If you add 35.2 and - 28.4, you will get 6.8. Another way you can look at this is if you subtract 28.4 from 35.2, you will get 6.8 because adding a negative from a positive is the same thing as subtracting the positive form of the same number

6.8 ft

Step-by-step explanation:

A helicopter was - 28.4 feet below sea level in a canyon and ascended 35.2 feet.

Ascending means add

-28.4 + 35.2

6.8 ft