The range of a graph will be the domain of the graph's inverse

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]