I'd be able to figure this out if I could see the graph.
Answer:
A i think its a A try. it it that looks correct
<span>the answer is M<13 for problems like this you can go to https://www.cymath.com/answer.php?q=solve%20M%20-%207%3C%206 to solve your answer</span>
The shadow to the top of the tree is 60 ft it all makes sense