micheal walks 30 meters in 20 seconds. how many meters does he walk per second?

What is the range of the data below? .8090100

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

Having a hard time understanding this question (see attachment).