If an ant can travel at a constant speed of 980 inches every five minutes how far does an ant-travel in one minute

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

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.

Which graph represents the equation y =4x