Which two points should the line of best fit go through to best represent the data in the scatterplot? A graph with points (1, 3), (2, 7), (3, 8), (4, 11), (5, 12), (6, 13). (1, 3) and (2, 7) (1, 3) and (6, 13) (3, 8) and (5, 12) (5, 12) and (6, 13)

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.