It took Francesca 13/15 as long as Alessandro to run home. Who got home first?

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

If lmn=xyz, which congruences are true by cpctc? check all that apply

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°?