The average resting heart rate of an athlete is 40 beats per second with a margin of error of ±5. The ±5; means that there is an acceptable range of what? SOS

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o