((
1. 12 + (15 – 5) + (9 - 3))
12 + 10 +6
12 -18

she will most likely have 33  

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

here is your mark brainliest

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation: