Courtney works at a shop making candy. It takes her 1 1/4 hours to make 15 candies

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

Can someone tell me if this is perpendicular? !

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )