Based on the graph, what does the point (0, 0) represent

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 perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom