Please answer this ASAP!
Fifteen points!!

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?