Hey There! Hope your having a great Evening! :)
Your answer will be A(-3,1)
Hope I helped! :)
-Duolingo
Answer:

Step-by-step explanation:
Given

Required
Get equivalent expression using completing the square
<em>Follow these steps:</em>
- <em>Take the coefficient of y; That is -12</em>
- <em>Divide it by 2; That is (-12/2)</em>
- <em>Square it: (-12/2)^2</em>
<em />
Add to both sides of the equation




Expand the right-hand side

Factorize:



The answer is 79 because 9/10 divided by 71.1 is 79. And if you want to check, you can multiply 9/10 by 79, which will give you 71.1. I hope this helped :)
Answer:
10/25 or in percentage it is 40%
Step-by-step explanation:
Answer: x = 39 because 39 + 102 = 141 and 180 - 141 = 39