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Show that the equation represent a sphere, and find its center and radius. 2x2+2y2+2z2=8x-24z+1
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Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20
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There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?
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Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2
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Show that the equation represent a sphere, and find its center and radius. 2x2+2y2+2z2=8x-24z+1...
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