Answer:
4. C. x = 4 or -4
Step-by-step explanation:
since both terms are perfect squares, factor using the difference of squares formula, a² - b² = ( a + b ) ( 
- b ) where
Answer:
a square what
Step-by-step explanation:
I don't quite understand the ten strategy, or what EXACTLY you're asking. But, what you can do is when you add a one digit number plus a nine, just change the nine to a ten and subtract one. It is very easy. So, 7+10 equals 17, subtract one and you get 16 which is 7+9. It is always one less than anything plus 10.
The anwer is 3. The volume of a cube is lwh. 3 x 3 x 3 = 27
66 is the anwer I think I'm not for sure I hope this helps and you get it right
