One weights 30lbs the other weights 54lbs
Answer:

or

Step-by-step explanation:
The expression
can be simplified by first writing the fraction under one single radical instead of two.

5/15 simplifies because both share the same factor 5.
It becomes 
This can simplify further by breaking apart the radical.

A radical cannot be left in the denominator, so rationalize it by multiplying by √3 to numerator and denominator.

Answer:
2+2 is 4
Step-by-step explanation:
You can imagine 2 cookies and then you get 2 more which is 4.
This should be the correct answer. I recommend Desmos.