I give free points, + brainliest.

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?

Acircle has a circumference of 28.36 units what is the diameter of the circle

Combine like terms to make a simpler expression 3z+z