The amount of a chemical solution is measured to be 2 liters. What is the percent error of the measurement?. 5%
25%
50%
2.5%

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°?

Which of the following contains a variable?

Is the point (0, 8) on the x-axis or y-axis? how do you know?