Francisco wrote these notes on one of the scientists who contributed to cell theory: 1838

Studied plants

Used a microscope

Concluded that plants are made of cells

Who are these notes about?

Virchow

Schleiden

Leeuwenhoek

Schwann

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

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.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab