Which number below belongs to the most number systems? A) -1 2/3
B) pi 3.14
C) 0
D) The square root of 81

Find the value of the variable and the length of each secant segment.

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°?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?