-7x+9y=-18
-2x-9y=18
-9x (y’s cancel)=0
X=0
Answer: B) y = -x^4
Work: I just plugged in the numbers into all the equations listed, and B worked correctly for them all, thus that's the correct answer.
<em>I hope this helps, and Happy Holidays. :)</em>
If it’s rotating around something, it’s most likely a cylinder I believe
Answer: 20%
<em>Step by Step Explanation: </em>
<em>Start by subtracting 519.29 from 649, you would get 129.8</em>
<em>Then take 129.8 and divide that by 649.</em>
<em>You get 0.2 which equals 20%</em>
<em>Tip: To find the percent of a fraction you divide the numerator by the denominator. For example, if you want to find the percent on a test, and you get a 8/10 you just divide 8 by 10. Which obviously equals 80.</em>
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Answer:
I think it is C
Step-by-step explanation:
because x repeats with diffirent y.