Which inequality matches the shaded region below? The two boundary points are at integer coordinates

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?