A truck is making deliveries and picking up packages at different spots along a route. After which two stops does the truck have the same weight as when it began its route

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Which compound inequality could be represented by the graph?

What is the range? can’t seem to find it out