With congruent corresponding sides! super confused. so much! : )

B, F, G (judging by the letter below the boxes)

Step-by-step explanation:

If you look at the congruence statement, line up the letters and if they are in the same placement they are a congruent pair.

the infinity sign

step-by-step explanation:

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