Mrs. Lang wants to paint a square wall in her new house that measures 15 feet on one side. She has enough paint to cover 121 square feet. Does Mrs. Lang have enough paint to paint her entire wall? Show you work and justify your answer using complete sentences.

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:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

d

step-by-step explanation:

i used the pitagoras theoreme