7. Given: LM is a straight line
CB = DA
1 = 2
Prove: ABC = ABD

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?

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.