1.875mps into kilometers per hour​

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?

Prove that 16^4-2^13-4^5 is divisible by 11.

If wxyz is a square, which statements must be true? plz < 3