The series 2 + 8 + 14 + ... + 896 + 9022+8+14+...+896+9022, plus, 8, plus, 14, plus, point, point, point, plus, 896, plus, 902 can be written using sigma notation (also called summation notation): \large\displaystyle\sum\limits_{k=1 }^{n}{{a_k}}
k=1
∑
n

a
k

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site

What is the answer to this problem? ignore the work. what is the correct answer?