1-c+d2=
1-e-f2=
4-g-h2=
9-i+j2=

$27.5

step-by-step explanation:

$110.00 divided by 4

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