Mrs brandly is putting tiles in her home. she puts 6 rows with 15 tiles in each row. she has 480 tiles left. how many tiles did mrs brandly start with.

Which graph corresponds to the function f(x) = x2 + 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.

What is the measure of sty in oo below? 130 310 230 50