Answer:6√3
Explanation:Before we begin, remember the following:
Now, for the given:75 can be written as 25*3
This means that:

Applying the above concept, we can find that:

Now, we know that:
√25 = 5 (we ignored the negative value)
This means that:
√75 = 5√3
Finally, we can compute the needed sum as follows:
√75 + √3 = 5√3 + √3 = 6√3
Hope this helps :)
B is the answer no capppppp
Answer: 
Work Shown:
I'm assuming your teacher wants you to factor as much as possible.

In the last step, I used the rule that 
We cannot factor any further. If the first term was
instead of
, then we could use the difference of squares factoring rule.
It would be A.
All of the others include “Natural Numbers” -5 is not a natural number. A natural number is a counting number like 1,2,3,4,5.
Answer:
1500 = original price
Step-by-step explanation:
New price of computer = original price - original price * percent off
Factoring out the original price
New price of computer = original price (1- percent off)
We know the new price = 1200 and the percent off =20
Substituting these value in
1200 = original price (1-.2)
1200 = original price (.8)
Divide each side by .8
1200/.8 = original price*.8/.8
1500 = original price