Simplify the rational expression. State any restrictions on the variable n^4-11n^2+30/ n^4-7n^2+10 *Picture of Answers Below*

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

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What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?