Ok im sorry for the ppl who keep answering my questions. I'm trying to get an A in math thank you for helping me :')

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?

An equation where variables are used to represent known values—function notation true or false

How can you tell when x and y are not directly proportional?