Mike can pick forty bushels of apples in 14 hours. one day his friend John helped him and it only took 6.16 hours. Find how long it would take John to do it alone

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.

Find the slope of a line given the following two points

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units