Can someone me with this problem? it urgent! i will also mark you as a brainlist if you get it correct!

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

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?