Answer:

Step-by-step explanation:
![\sqrt[3]{-\frac{1}{512}}=\frac{\sqrt[3]{-1}}{\sqrt[3]{512}}=\frac{-1}{8}=-\frac{1}{8}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B-%5Cfrac%7B1%7D%7B512%7D%7D%3D%5Cfrac%7B%5Csqrt%5B3%5D%7B-1%7D%7D%7B%5Csqrt%5B3%5D%7B512%7D%7D%3D%5Cfrac%7B-1%7D%7B8%7D%3D-%5Cfrac%7B1%7D%7B8%7D)
Find x you mean?
substract both side by 2x
5x=-35
divide both side by 5
x=-7
->D
Hey!~
To get the answer all you would need to do is divide 589/31=19.
If you round $19 dollars up, the closest number would be $20. The answer is B. $20.00.
Hope this helps and have a great day!
-Lindsey
D. since if you plug in the Pythagorean therom it comes out true and the Pythagorean therom only works on right triangles. also isosceles have 2 side lengths the same.