4.7+5.5 simplify the expression

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

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°?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?