Answer:
(w+4) (w-4)
Step-by-step explanation:
Answer: First option is correct.
Step-by-step explanation:
Since we have given that
![6x^3+6](https://tex.z-dn.net/?f=6x%5E3%2B6)
Now, by factorising , we get
![6x^3+6\\=6(x^3+1)](https://tex.z-dn.net/?f=6x%5E3%2B6%5C%5C%3D6%28x%5E3%2B1%29)
Now, we use the formula i.e.
![a^3+b^3=(a+b)(a^2-ab+b^2)](https://tex.z-dn.net/?f=a%5E3%2Bb%5E3%3D%28a%2Bb%29%28a%5E2-ab%2Bb%5E2%29)
By using this, we get ,
![6(x^3+1)\\=6(x+1)(x^2-x+1)](https://tex.z-dn.net/?f=6%28x%5E3%2B1%29%5C%5C%3D6%28x%2B1%29%28x%5E2-x%2B1%29)
So,
![(x+1) \text{ is the factor of }6x^3+6.](https://tex.z-dn.net/?f=%28x%2B1%29%20%5Ctext%7B%20is%20the%20factor%20of%20%7D6x%5E3%2B6.)
Answer: the mean should not change.
Stabilizing selection: it is one type of the natural selection..
an intermediate variant selected by the nature has more survival rate against extreme and low variants. such variants are well adopted by the population and pass it for several generations without changes. it shows that the mean of the variant <span>will be stabilized for several generations</span>
Answer:
875 ft²
Step-by-step explanation:
Finding area of similar rectangles:
Scale factor = EF : AB
= 25 : 5
= 5 : 1
![\sf \dfrac{Area \ of \ bigger \ rectangle}{Area \ of \ smaller \ rectangle}= (Scale \ factor)^2](https://tex.z-dn.net/?f=%5Csf%20%5Cdfrac%7BArea%20%5C%20of%20%5C%20bigger%20%5C%20rectangle%7D%7BArea%20%5C%20of%20%5C%20smaller%20%5C%20rectangle%7D%3D%20%28Scale%20%5C%20factor%29%5E2)
![\dfrac{Area \ of \ bigger \ rectangle}{35} =\left(\dfrac{5}{1}\right)^2](https://tex.z-dn.net/?f=%5Cdfrac%7BArea%20%5C%20of%20%5C%20bigger%20%5C%20%20rectangle%7D%7B35%7D%20%3D%5Cleft%28%5Cdfrac%7B5%7D%7B1%7D%5Cright%29%5E2)
![\text{Area of bigger rectangle = $\dfrac{25}{1}*35$}](https://tex.z-dn.net/?f=%5Ctext%7BArea%20of%20bigger%20rectangle%20%3D%20%24%5Cdfrac%7B25%7D%7B1%7D%2A35%24%7D)
Area or rectangle EFGH = 875 ft²