What is a part of a line , has one endpoint ,continues in one direccion. math homework

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.

Rob filled 5 fewer plastic boxes with football cards than basketball cards. he filled 11 boxes with basketball cards.

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.