Please help there is a picture attached

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.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?