Draw a line segment /XZ/=5cm and construct a perpendicular line that passes through point Y 2cm away from point X please help me

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

I'm confused on this could anyone me and show me what i need to do to solve it.