Rick has a printer that can print a job in 8 minutes. When he uses his son's smaller printer at the same time, he can complete the same job in 6 minutes. How long does it take his son's printer to complete the job by itself? (In minutes.)

The graph below could be the graph of which exponential function?

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

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.