Help im confused and ty i can give brainliest and extra pts if u want even if u can only answeer 1

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.

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is