Graph the solution for the following linear inequality system. Click on the graph until the final result is displayed y<8
y23

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.

X+y=-4 x-y=2 use elimination with adding and subtraction

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd