Park rangers in yosemite estimared the number of racoons in one hiking area. the rangers tagged 15 racoons in the hiking area. the following week they captured 40 racoons. if the park rangers estimated there were 75 racoons in the area, how many of the captured racoons were tagged?

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.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Which two undefined geometric terms always describe figures with no beginning or end?