Identify the property that justifies each step asked about in the answer area below. Line 1: Line 1: = y ( x + 5 ) y(x+5) Line 2: Line 2: = y x + y ⋅ 5 yx+y⋅5 Line 3: Line 3: = x y + 5 y xy+5y

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.