Along thid river at wich two aproximate altitude ranges are tge gradients the steepest

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.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Factor the polynomial by its greatest common monomial factor.