Given the ordered pair, (1,1/2) what is the constant of proportionality

The dimensions, in inches, of a shipping box at we ship 4 you can be expressed as width x, length x+5, and height 3x-1. the volume is about 7.6ft^3 find the dimensions of the box in inches. round to the nearest inch

How many solutions does the nonlinear system of equations graphed below have?

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.