36 is a squared number find two factors of 36 that are also squared numbers ?

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?

How to determine whether two known pairs of points are on the same line.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?