A committee must be formed with 3 teachers and 3 students. If there are 10 teachers to choose from, and 15 students, how many different ways could the committee be
made?

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?

Which number completes the system of linear inequalities represented by the graph? y > 2x – 2 and x + 4y >

Type the next three numbers in a sequence 80, 90, 85, 95, 90, 100, 95, 105