Find the perimeter and area of each rectangle, write the formulas and plug-in. p= 1+1 tw tw ,a=1×w 8in and 6in

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