Divide rupees 10,000 between A and B in the ratio 3:2

Classify the following triangle check all that apply

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

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?