Solve the equation for x 6 x-1 (x-3n)=-3€

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.

How many lines can be drawn through points j and k? 0 1 2 3

What would the rule be for the reflection of y=-3