Find the value of y and z.

This question awards 100 ! i really don’t want to fail i will also mark you !

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°?

For what values of x is x2 + 2x = 24 true?