Suppose a deep sea diver dives from the surface to 85 feet below the surface. He then dives down 14 more feet. The diver's depth is represented by the sum - 85+ (-14). Find and interpret the sum to
describe the diver's present depth.
Find the sum.
- 85+ (-14) =
What is the diver's present depth?
O-99 feet below the surface
- 71 feet below the surface
O 71 feet below the surface
O 99 feet below the surface

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First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.

Idon’t see a picture