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

What is the distance between (–2 1/2,-3) and (1, –3)?

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?