Y=mx+c mathspad. im writing this as the question has to be 20 characters

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

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.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5