What is the approximate solution to the system y=0.5x+3.5 and y=-2/3x+1/3

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?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?