Answer:
$500
Step-by-step explanation:
She pick in $400, she took that $400 out so she would then have $0
She then inserted $500 back in with no money previously
Answer:
Sum of
and
is 
Option B is correct answer.
Step-by-step explanation:
We need to find sum of
and 
Finding sum of
and
:

We know that 
Replacing x^2-4

Now, taking LCM of (x+2)(x-2) and (x+2) we get (x+2)(x-2)

So, Sum of
and
is 
Option B is correct answer.
Step-by-step explanation:
the answer is neither a relation or function
Use PEMDAS. Parenthesis, Exponents, Multiply, Divide, Addition, Subtraction.
So, you'd distribute 5 into the parenthesis, leaving you with 9+20x+20, then add like terms. 20x+29