A dance studio offered dance classes on 18 of the 30 days in September. What is the percentage of days that the dance studio offered classes in September? The dance studio offered classes of days in September.

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.