Answer:
see below
Step-by-step explanation:

Think of the above as:
* 
=
* 
=
* 
=
* 
= 
= 
Can flip it around to be...

Answer:
13 + 5 + 37
Step-by-step explanation:
Answer:
All the expressions that have a negative in the radical
(Boxes 2, 3 5, and 6)
Step-by-step explanation:
You can't take the square root of a negative number. When you square a number, the product will always be positive.
Hope this helps!