Colin is making soap for gifts. the table shows the cost of the scented oils needed to make each kind of soap. he needs 1.5 ounces of scented oil to make a batch of soap. if he wants to make 2 batches of lavender soap and 2 batches of vanilla soap, how much money will he need for the oils?

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.