Anyone that may know this answer i though it was 4 but no is wrong =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?

Find the domain of the following expression: 1/(√x)-2

Item 1 solve for s. s+24=90 −114 −66 66 114