Choice 1 Choice 2 Choice 3 Choice 4

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

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?

State how many imaginary and real zeros the function has. f(x) = x3 - 20x2 + 123x - 216