Acity planner is mapping the population of residents in the city. he has enough time to map only a small sample of the population by choosing names from the telephone directory. which sampling method will give the planner the best data about where the city's residents live?

he would need to choose by every 100th name.

Step-by-step explanation:

(A.  choosing every 100th name)- answer

B.  choosing every 300th name  

C.  choosing every 500th name  

D.  choosing every 800th name

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

faster, im not sure why but i know it is faster