Determine weather each sequence is arithmetic, geometric or neither, provide support for conclusions sequence 1: 1/2,7/6,11/6,5/2...

sequence 2: 1/2,1/3,2/9,4/27

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

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.

Me i’m stuck on all these questions besides the two bottom ones