Rectangle abcd and wxyz have the same length. the width of rectange abcd is 9 ft, and its area is 162 ft2. the width of rectangle wxyz is 6 ft. what is the area of rectangle wxyz?

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.