My correlation coefficient for the linear model i created is 0.8. What does this mean?

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.

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?