Joey drives a golf cart when he needs to monitor the security of his neighborhood. he can cover the 40 miles of streets in his neighborhood in 2 hours. what unit rate expresses the speed of joey's golf cart per hour? 10 miles per hour 15 miles per hour 20 miles per hour 30 miles per hour

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