Remember some basic rules

and
![x^ \frac{m}{n}= \sqrt[n]{x^m}](https://tex.z-dn.net/?f=x%5E%20%5Cfrac%7Bm%7D%7Bn%7D%3D%20%5Csqrt%5Bn%5D%7Bx%5Em%7D%20%20)
so

1/2-2/7=
7/14-4/14=
3/14

No, (2 , 3) does not satisfy the inequality 4x + 3y > 20.
See attached picture:
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The answer is 5 because if you add 10 to -10 it is 0 then add the 5 more and it is 5.
Answer:
the answer is 12 inches
every inche equals 15 feet from 30/2 then divide it by the total 180/15 which equals 12
Answer:
5/12
Step-by-step explanation:
12 total squares
5 shaded
5shaded to 12 total
5:12
or
5/12