PLZ HELP ME! I WILL GIVE BRAINLIEST!
Can someone help me with my math equations? :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.

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Atemperature of 1.64◦f corresponds to answer in units of ◦c.