Kelly ran 2 miles burned 240 cal. the next day she ran 3 miles and burned 360 cal. the next day 4 miles 480 miles. if this pattern continues, how many cal. will she burn if she run 8 miles?

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 is the solution of the systems of equations? y=2/3x+3 x=-2

Can anyone me with 32,33,36,37,and 40.