Apark is in the shape of a rectangle 8 miles long and 6 miles wide. how much shorter is your walk if you walk diagonally across the park than along two sides of it?

Which is an equation for the nth terms of the sequence 12,15,18,21

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

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.