These cuboids are made from small cubes.
how many small cubes are in these shapes?

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Which expression is equivalent to 5r6141 2r+st6