Find the value of the missing
side.
2 km
1.6 km

Simplify the expression 10/11(22z) + (a+5) -1

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?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.