Please help me and can u show steps

So the answer is 75%.

Hope this will help u.☝✌✌

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

1. minimum

2. 6400

3. eight

hope this !