A company sells widgets. The amount of profit y made by the company is related to the selling price of each widget x by the given equation : y=-19x^2+1183x-9020 using the equation find out what the piece of the widgets should be sold for to the nearest cent for the company to make the maximum profit

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

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 inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5