Write the first ten terms of a sequence whose first term is -10 and whose common difference is -2.

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?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Can you me find the slope! (30 points)