Write the letter of the property that justifies each statement in the blank. _15. If 4m + n= 7 and n = 3, then 4m + 3 = 7
A. Substitution Property _16. If a = -5, then 2a = -10
B. Addition property _17. If 3x = y, then y = 3x
c. Division Property _18. If 4w – 1 = 11, then 4w = 12
D. Reflexive Property
E. Multiplication Property _19. If a + b = c and c= d?, then a + b = d?
F. Transitive Property _20. 6y = 6y
G. Subtraction Property _21. If -8q = -56, then q = 7
H. Distribution Property _22. If 5k = -25, then 5k-1 = -25 - 1
1. Symmetric Property _23. -3(2x - 5) = -6x + 15

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.