Which two points have an undefined slope? A. (-1,1) and (1,-1) B. (-2,2) and (2,2) C. (-3,-3) and (-3,3) D. (-4,-4) and (4,4)

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?

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?