Name the property of equality:
1. if x = y, then -2x = -2y
2. m
3. if x = y, then 2x - 6 = 2y - 6
4. m

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Which statements are true about additional information for proving that the triangles are congruent check all that apply

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?