Two points give you a line. A third point (often called a check-point) is used to confirm the accuracy of your first two points. If all three line up, you have confirmed you have the correct line.
The answer is B. hope i helped



Answer: A.
Another way to solve by factoring 1/4.

![= [\dfrac{1}{4}(A + B)]^2](https://tex.z-dn.net/?f=%20%3D%20%5B%5Cdfrac%7B1%7D%7B4%7D%28A%20%2B%20B%29%5D%5E2%20)




Answer:
1/a^5
Step-by-step explanation:
a^-5=1/a^5
Answer:The second answer there are 3 kids and one adult and the ratio would be 3:1 .
Step-by-step explanation: