Which pair shows equivalent expressions? O
X+2) =
2({x+2) = 23x+1
23
2(3x+4)= x+2
0 242x+4)= 23 x
8

PLS HELP

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