Which table correctly lists the reason to prove Line 1 = line 3 given that AB intersects CD

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

Graph y = -|x| + 2. click on the graph until the correct one appears.

Which two undefined geometric terms always describe figures with no beginning or end?