You can simply expand each product and see whether it gives you a difference of squares.
•

That's actually

<span>✖
which is not a difference of squares.
</span>————<span>—
</span>•

✖
which is not a difference of squares.
—————
•

<span>✔
That is a difference of two squares.
</span>————<span>—
</span>•

<span>✖
</span>which is not a difference of squares.
—————
Only the
third option will result in a difference of squares.
Answer:
(− 7x + 4) · (− 7x − 4).
I hope this helps. =)
4 is the square root of 16
i think that what you are asking, but if it is not tell me and i can try to help more :)
He as 1 grape left
Since he had 7 and gave 6 away :)
Answer:
The total number of students that ate lunch are 300 .
Step-by-step explanation:
Formula

As given
There are 4 lunch choices in a school cafeteria: Salad, Pizza, Spaghetti, and Sub Sandwiches.
The percentage of students that chose salad is 15%.
If 45 students chose salad.
Here
Percentage = 15%
Part value = 45
Put in the formula



Therefore the total number of students that ate lunch are 300 .
1/2x2x6
=1x6
=6
That's your answer.