There are 10 girls and 8 boys in mr augellis class. if 5 more girls and 5 more boys join the class, will the ratio of girls to boys remain the same? justify your answer using a ratio table

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 effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33