Answer: the sum is always positive
Answer:
10/3 or 3.33333
Step-by-step explanation:
<u>Images Below</u>
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Hope this Helps
To what? There is no context
Answer: 
Step-by-step explanation:
Add 2 to both sides of the equation and divide both sides of the equation by 15. Then:

Apply base 8 to both sides of the equation:

Solve for "x", then you get:
![-2x-7=8^{\frac{1}{3}}\\\\-2x=\sqrt[3]{8}+7\\\\ x=\frac{\sqrt[3]{8}+7}{-2}\\\\x=-4.5](https://tex.z-dn.net/?f=-2x-7%3D8%5E%7B%5Cfrac%7B1%7D%7B3%7D%7D%5C%5C%5C%5C-2x%3D%5Csqrt%5B3%5D%7B8%7D%2B7%5C%5C%5C%5C%20x%3D%5Cfrac%7B%5Csqrt%5B3%5D%7B8%7D%2B7%7D%7B-2%7D%5C%5C%5C%5Cx%3D-4.5)