Answers created by Zerg R.
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How do you subtract #\frac { a - 5} { a - 4} - \frac { 4a - 2} { 2a - 8}#?
How do you find the circumference of the circle with a radius of 1,256 inches?
What is the vertex of # y= -3x^2-x-(x-3)^2#?