Which ratio is equivalent to 10: 85

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 the difference between the predicted value and the actual value

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined