Solving “Or” Compound Inequalities In order for a Williams engine to burn the correct amount of gas during a lap, the car has to be going under 25 kph, or over 160 kph. Write an inequality that represents this situation. Then, graph your inequality.

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.