Sofia rides her bike at a constant speed. Sofia plots points on the coordinate plane below to show amounts of time it takes her to bike certain distances.

Which of the following ordered pairs could Sofia add to the graph?

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.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16