Idk the answer can someone me idk

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)