27.) Find the sum of the length of line segments EF and CD. G A 140 6 B 5710 C 130 0 K D 234 8 B D H F

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected