How do i calculate:

((6 x y−2 x y)−x2y2)+10 x y

What is the upper quartile in the box plot?

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?

Math each whole number with a rational,exponential expression