Yasmine is serving ice cream with the birthday cake at her party. she has perchased 19 1/2 pints of ice cream. she will serve 3/4 of a pint to each guest. how many guests can be served ice cream? will there be any ice cream left?
justify your thinking

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

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.

Someone which statements are true? check all that apply.