Awire that is 66 metres long has to be cut into two pieces. the ratio of the lengths of two pieces is 7 : 5. how long is each piece?

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.

Why is studying fractions important