I have been trying to find this for awhil: Find the other endpoint of the line segment with the given endpoint and midpoint. Endpoint 1: (0,2) Midpoint: (4,5)

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?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

What is the value of the discrimination for the quadratic equation 0=×2+2+×2