Which system of linear inequalities has the point (2, 1) in ils solution set?

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.

Which of the following points is collinear with (-2,1) and (0,3)

Why did the ice arena get so hot after the big game (this is math related google it to find the paper