Answer:
what expressions?there is only the question, but not the expressions
The answer is 0.7 kilometers
Answer: the answer to lg is 18
ANSWER

EXPLANATION
The given expression is

We remove the perfect squares under the radical sign.

We can now take square root of the perfect squares and simplify them further.

This simplifies to:

This further simplifies to:

Answer:
Step-by-step explanation: