Answer:
0
Step-by-step explanation:
I'll comment if you need an explanation! Hope this helps! :)
Answer: 
Step-by-step explanation:
Given
Equation is 
Mila uses the first step as multiplication to make the coefficient of x, 1
Mila maybe have multiplied the whole equation by 2 i.e.
The answer should be<span> 4. Because in each cube you take from one corner,it seems like you lost 3 square shaped area but when you remove the cube, there occurs the hidden 3 square shaped area under that cube. So the surface area doesn't change. You should try to imagine the cube, it may help. </span>
Answer:
14r
Step-by-step explanation:
First, you find the perfect squares which 196 and r^2 are both perfect squares. Then, you just simplify them which is 14r.
