You are playing a video game. for each diamond you collect, you earn 80 points. you also earn 100 bonus points by completing the level in less than 2 minutes. you need to earn more than 1220 points to continue on to the next level. write and solve an inequality that represents the numbers dd of diamonds you must collect in less than 2 minutes to advance to the next level.

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.