Answer:
I think it is wrong because it is unlike term
e 95,970 l dont know any work just looked it up sorry
48.00 is the answer your looking for
(a)
![x^{2}](https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20)
= 400
(b)
![\sqrt{x^2} = \sqrt{400}](https://tex.z-dn.net/?f=%20%5Csqrt%7Bx%5E2%7D%20%3D%20%5Csqrt%7B400%7D)
![x=20,-20](https://tex.z-dn.net/?f=x%3D20%2C-20)
(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches